login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A167273
Infinite product of Triangle A167271 columns
1
1, 1, 3, 4, 10, 13, 28, 37, 73, 97, 177, 236, 412, 548, 915, 1218, 1971, 2616, 4117, 5453, 8390, 11082, 16710, 22012, 32638, 42864, 62592, 81972, 118125
OFFSET
0,3
FORMULA
Infinite product of triangle A167271 columns, as polynomials: (1, 1, 1,...)
* (1, 0, 2, 0, 3,...) * (1, 0, 0, 1, 0, 0, 1,...) * (1, 0, 0, 3, 0, 0, 6,...)
* ...
CROSSREFS
Sequence in context: A362649 A143372 A035594 * A096380 A309478 A329805
KEYWORD
nonn
AUTHOR
Gary W. Adamson & Mats Granvik, Oct 31 2009
STATUS
approved