1,2
Let f(n+1,k) = f(n,k)^2 + k*n*f(n,k) + n^2, f(1, k) = 1:
f(n,0)=A143760(n), f(n,-1)=A143761(n), f(n,+1)=a(n),
f(n,-2)=A143763(n), f(n,+2)=A143764(n), f(n,-3)=A143765(n),
f(n,+3)=A143766(n).
Table of n, a(n) for n=1..9.
Index entries for sequences of form a(n+1)=a(n)^2 + ... [From Reinhard Zumkeller, Sep 11 2008]
Sequence in context: A195643 A195638 A041951 * A079281 A176232 A079306
Adjacent sequences: A143759 A143760 A143761 * A143763 A143764 A143765
nonn
Reinhard Zumkeller, Sep 01 2008
approved