A295226 - OEIS

A295226

Sum of antidiagonals of triangle of 3-Stirling numbers of the first kind.

0, 0, 0, 1, 3, 13, 67, 408, 2874, 23034, 207185, 2067928, 22688218, 271456443, 3518003749, 49097940464, 734192914717, 11711708730460, 198519682344141, 3563360442079351, 67522465963443411, 1346990675228935159, 28217627569071978376, 619338933079584448848

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OFFSET

3,5

LINKS

Table of n, a(n) for n=3..26.

Edyta Hetmaniok, Barbara Smoleń, Roman Wituła, The Stirling triangles, Proceedings of the Symposium for Young Scientists in Technology, Engineering and Mathematics (SYSTEM 2017), Kaunas, Lithuania, April 28, 2017, p. 35-41.

FORMULA

a(n) = Sum_{k=0..[n/2]} A143492(n-k,k).

CROSSREFS

Sequence in context: A215257 A367919 A350855 * A028418 A180191 A080832

Adjacent sequences: A295223 A295224 A295225 * A295227 A295228 A295229

KEYWORD

nonn

AUTHOR

Eric M. Schmidt, Nov 18 2017

STATUS

approved