The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A306697 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A306697

Square array T(n, k) read by antidiagonals, n > 0 and k > 0: T(n, k) is obtained by applying a Minkowski sum to sets related to the Fermi-Dirac factorizations of n and of k (see Comments for precise definition).
(history; published version)

#22 by Joerg Arndt at Sat Oct 05 09:50:39 EDT 2024

STATUS

proposed

approved

#21 by Robert C. Lyons at Sat Oct 05 09:45:12 EDT 2024

STATUS

editing

proposed

#20 by Robert C. Lyons at Sat Oct 05 09:45:08 EDT 2024

PROG

(PARI) \\ See Links section.

STATUS

approved

editing

#19 by Michael De Vlieger at Fri Oct 04 08:51:41 EDT 2024

STATUS

proposed

approved

#18 by Peter Munn at Fri Oct 04 07:54:16 EDT 2024

STATUS

editing

proposed

#17 by Peter Munn at Fri Oct 04 07:24:52 EDT 2024

FORMULA

- T(n, 5) = A045966(n) A357852(when n > 1),

STATUS

approved

editing

Discussion

Fri Oct 04

07:26

Peter Munn: The newer A357852 is accurate here (so we can remove the qualification). A045966 has an initial term that differs.

#16 by N. J. A. Sloane at Tue Jan 14 01:09:35 EST 2020

STATUS

proposed

approved

#15 by Peter Munn at Wed Jan 08 18:21:52 EST 2020

STATUS

editing

proposed

#14 by Peter Munn at Sat Dec 28 18:25:19 EST 2019

LINKS

Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/Distributive.html">Distributive</a>

Discussion

Sat Jan 04

10:48

Peter Munn: I anticipate proposing draft this after doing so for A329329 and A329332 early next week.

#13 by Peter Munn at Sun Dec 22 21:38:45 EST 2019

CROSSREFS

Columns (some differing for term 1) and equivalently rows: A003961(3), A000290(4), A045966(5), A045968(7), A045970(11).

Cf. A000040, A000290, A001221, A003961, A003991, A019565, A045966, A045968, A045970, A059896, A059897, A064547, A067138, A225546, A297845, A329050, A329329.

Related binary operations: A067138, A059896, A297845/A003991, A329329/A059897.