OFFSET
0,2
FORMULA
a(n)= |S1(n+10, 10)| + |S1(n+10, 11)|= |S1(n+11, 11)|-(n+9)*|S1(n+10, 11)|, with S1(n, m):= A048994(n, m), n>=>m=0 (Stirling1 triangle).
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Wolfdieter Lang, Feb 24 2005
STATUS
approved