26960

Appears in sequences

• Triangle of numbers relating two sequences A073155 and A073156.at n=37A073153
• Number of Schroeder n-paths containing no FFs.at n=8A073157
• Expansion of phi(-q^5) / phi(-q) in powers of q where phi() is a Ramanujan theta function.at n=27A138526
• Number of ways to place n nonattacking composite pieces queen + leaper[1,3] on an n X n chessboard.at n=14A189864
• E.g.f. satisfies: A(x) = 1/(1 - x*A(x))^(1 + 1/A(x)).at n=5A193290
• Expansion of Product_{k>=0} (1+x^(3*k+1))^4.at n=44A261637
• Numbers k such that (prime(j)-1)^2 + 1 is prime for k <= j <= k + 2.at n=20A376522