-2168
domain: Z
Appears in sequences
- Reversion of [1,2,12,152,3640,...] (A053549).at n=4A053550
- Inverse binomial transform of A000960.at n=13A099064
- Determinant of the n X n matrix with (i,j)-entry equal to 1 or 0 according as i + j is squarefree or not.at n=17A228549
- G.f.: Re((2*i; x)_inf), where (a; q)_inf is the q-Pochhammer symbol, i = sqrt(-1).at n=28A292135
- Expansion of Sum_{k>0} (1/(1+x^k)^4 - 1).at n=20A363631