107576
domain: N
Appears in sequences
- Number of ways to color vertices of a pentagon using <= n colors, allowing only rotations.at n=14A054620
- Numbers k such that k^2 divides 15^k-1.at n=37A128395
- INVERT transform of (1, 3, 1, 3, 1, ...).at n=12A159612
- G.f. satisfies: A(x) = Product_{n>=1} (1 + x^n)*(1 + x^(2*n)*A(x)^2).at n=13A192785
- Antidiagonal sums of the convolution array A213561.at n=13A213563
- Triangle read by rows: T(n,k) is the number of derangements in S_n with no k-cycles. 1 <= k <= n.at n=42A378495