The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A098355 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A098355

Multiplication table of the powers of three read by antidiagonals.
(history; published version)

#3 by Jeremy Gardiner at Tue Nov 29 14:46:45 EST 2011

CROSSREFS

Cf. A000244, A003056, A003991, A098354, A137688.

#2 by Jeremy Gardiner at Tue Nov 29 14:39:20 EST 2011

COMMENTS

3^A003056: 3^n appears n+1 times.

LINKS

Jeremy Gardiner, <a href="/A098355/b098355.txt">Table of n, a(n) for n = 0..349</a>

CROSSREFS

Cf. A003056, A003991, A098354, A137688.

STATUS

approved

editing

#1 by N. J. A. Sloane at Wed Sep 22 03:00:00 EDT 2004

NAME

Multiplication table of the powers of three read by antidiagonals.

DATA

1, 3, 3, 9, 9, 9, 27, 27, 27, 27, 81, 81, 81, 81, 81, 243, 243, 243, 243, 243, 243, 729, 729, 729, 729, 729, 729, 729, 2187, 2187, 2187, 2187, 2187, 2187, 2187, 2187, 6561, 6561, 6561, 6561, 6561, 6561, 6561, 6561, 6561, 19683, 19683, 19683, 19683, 19683, 19683

OFFSET

0,2

EXAMPLE

1; 3,3; 9,9,9; 27,27,27,27;

CROSSREFS

Cf. A003991, A098354.

KEYWORD

nonn,tabl

AUTHOR

Douglas Stones (dssto1(AT)student.monash.edu.au), Sep 04 2004

STATUS

approved