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

Offset: 2

Author

Eric M. Schmidt, Nov 18 2017

Keywords

• nonn

Links

• 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).