login
A295225
Sum of antidiagonals of triangle of 2-Stirling numbers of the first kind.
0
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
2,4
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).
CROSSREFS
Sequence in context: A030849 A185109 A030973 * A030805 A121638 A030874
KEYWORD
nonn
AUTHOR
Eric M. Schmidt, Nov 18 2017
STATUS
approved