5162220
domain: N
Appears in sequences
- Number of irreducible polynomials of degree n over GF(4); dimensions of free Lie algebras.at n=13A027377
- Product_{k>=1} 1/(1 - x^k)^a(k) = 1 + 4x.at n=12A038065
- Product_{k>=1} ((1 + x^k)^a(k)) = 1 + 4x.at n=12A038069
- Number of necklaces with n beads of 5 colors, no 2 adjacent beads the same color.at n=12A106367
- a(n) = floor(4^n/n).at n=12A129794
- Dimensions of primitive Lie algebras connected with the Mantaci-Reutenauer algebra MR^(3).at n=12A185172
- Numbers of the form (4^k - 4)/k.at n=9A247307
- a(n) = floor(2^(n+1)/n).at n=25A281375
- Number of solutions to +-1 +- 2 +- 3 +- ... +- n == n-1 (mod n).at n=25A300329
- Inverse Weigh transform of 4^n.at n=12A306158
- a(n) = (n^13 - n)/13.at n=4A366489