33752
domain: N
Appears in sequences
- Number of symmetric sum-free subsets of {1,2,...,n-1} with sums taken mod n.at n=51A083041
- a(1) = 2, a(n) = (n-th-even n^3) - (sum of previous terms).at n=38A181509
- Number of 0..n arrays x(0..6) of 7 elements with zero 4th differences.at n=38A200274
- Theta series of direct sum of 2 copies of 4-dimensional lattice QQF.4.i.at n=16A212817
- a(0) = 0, a(1) = 1, for n > 1, a(n) = a(n-1) + a(n-A002487(n)).at n=30A283474
- First differences of A283474.at n=40A283479
- First differences of A283474.at n=42A283479
- Number of Dyck paths of semilength n such that each level has exactly four peaks or no peaks.at n=16A288111
- Expansion of e.g.f. 1/(2 - x - exp(4*x)).at n=4A367837