A295225 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

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”).

Other ways to Give

A295225

Sum of antidiagonals of triangle of 2-Stirling numbers of the first kind.

0, 0, 1, 2, 7, 29, 147, 883, 6156, 48942, 437404, 4343041, 47444364, 565601104, 7307463941, 101713884677, 1517483769898, 24157610375637, 408751073418742, 7325240566502843, 138608292368966173, 2761503816421313729, 57782245813372891911, 1266895493728240876072

(list; graph; refs; listen; history; text; internal format)

OFFSET

2,4

LINKS

Table of n, a(n) for n=2..25.

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]} A143491(n-k,k).

CROSSREFS

Sequence in context: A030849 A185109 A030973 * A030805 A121638 A030874

Adjacent sequences: A295222 A295223 A295224 * A295226 A295227 A295228

KEYWORD

nonn

AUTHOR

Eric M. Schmidt, Nov 18 2017

STATUS

approved