-5250
domain: Z
Appears in sequences
- Expansion of e.g.f.: cosh(arctan(x)+log(x+1))=1+4/2!*x^2-6/3!*x^3+19/4!*x^4-140/5!*x^5...at n=7A012969
- Expansion of Product_{m>=1} (1 - m*q^m)^5.at n=19A022665
- Inverse of Riordan array (1/(1-x), x/(1-x)^4), A109960.at n=51A109962
- Sequence is {a(3,n)}, where a(m,n) is defined at sequence A111518.at n=10A111521
- G.f. A(x) satisfies: A(x) = G(G(x)) where G(x) = x - A(x)^2 = g.f. of A139702.at n=5A139715
- A triangle related to the GF(z) formulas of the rows of the ED4 array A167584.at n=16A167594
- Expansion of e.g.f. 1/(1 + (exp(x) - 1)^4 / 24).at n=9A354393
- a(n) = Sum_{k=0..n} (-1)^k * binomial(n+4*k+4,n-k) * Catalan(k).at n=11A360060