28526
domain: N
Appears in sequences
- Maximal length of rook tour on an n X n board.at n=34A006071
- Powers of fifth root of 4 rounded down.at n=37A018123
- Powers of fifth root of 4 rounded to nearest integer.at n=37A018124
- a(n) = Jacobi P-Polynomial P_n(alpha=1, beta=1, x=sqrt(2)) multiplied by 2^(n/2+floor(n/2)) and divided by n+1.at n=8A025176
- a(n) = 839*n.at n=34A135639
- The Wiener index of a chain of n triangles (i.e., joined like VVV..VV; here V is a triangle!).at n=33A143941
- Expansion of g.f. 1 - 2*x*(-7 - 10*x + x^2)/(x - 1)^4.at n=17A152100
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 633", based on the 5-celled von Neumann neighborhood.at n=28A273301
- Numbers k such that the largest prime divisor of k^4+1 is less than k.at n=39A309562