The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A242228 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A242228

a(n) = Sum_{k=1..n} k^(2*n-1) * k! * Stirling2(n,k).
(history; published version)

#20 by Michael De Vlieger at Wed Jun 19 09:27:55 EDT 2024

STATUS

reviewed

approved

#19 by Stefano Spezia at Wed Jun 19 09:20:15 EDT 2024

STATUS

proposed

reviewed

#18 by Seiichi Manyama at Wed Jun 19 08:47:23 EDT 2024

STATUS

editing

proposed

#17 by Seiichi Manyama at Wed Jun 19 06:04:03 EDT 2024

NAME

a(n) = Sum_{k=1..n} k^(2*n-1) * k! * StirlingS2Stirling2(n,k).

#16 by Seiichi Manyama at Wed Jun 19 06:03:27 EDT 2024

CROSSREFS

Cf. A000629, A220179, A229260, A244585.

#15 by Seiichi Manyama at Wed Jun 19 06:02:07 EDT 2024

FORMULA

E.g.f.: Sum_{k>=1} (exp(k^2*x) - 1)^k / k. - Seiichi Manyama, Jun 19 2024

STATUS

approved

editing

#14 by Alois P. Heinz at Wed Feb 28 21:31:45 EST 2018

STATUS

proposed

approved

#13 by Jon E. Schoenfield at Wed Feb 28 21:24:40 EST 2018

STATUS

editing

proposed

#12 by Jon E. Schoenfield at Wed Feb 28 21:24:37 EST 2018

NAME

a(n) = Sum_{k=1..n} k^(2*n-1) * k! * StirlingS2(n,k).

STATUS

proposed

editing

#11 by Andrew Howroyd at Wed Feb 28 21:15:30 EST 2018

STATUS

editing

proposed