1,3

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)=A143762(n),

f(n,-2)=A143763(n), f(n,+2)=A143764(n), f(n,-3)=a(n), f(n,+3)=A143766(n).

Index entries for sequences of form a(n+1)=a(n)^2 + ... [From Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Sep 11 2008]

Sequence in context: A093881 A163763 A111015 this_sequence A023306 A068839 A060857

Adjacent sequences: A143762 A143763 A143764 this_sequence A143766 A143767 A143768

sign

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Sep 01 2008