26312

Appears in sequences

• Numbers k that divide the alternating sum phi(1) - phi(2) + phi(3) - phi(4) + ... + ((-1)^(k+1))*phi(k).at n=15A067929
• Least sum (n+1) + (n+2) + ... + (n+k) that is a multiple of the n-th triangular number, n(n+1)/2.at n=21A110351
• Partial sums of A051941.at n=21A136105
• Number of permutations of [n] avoiding {1423, 2341, 3124}.at n=10A294696
• Solution of the complementary equation a(n) = a(n-1) + a(n-2) + n*b(n-1), where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 4, and (a(n)) and (b(n)) are increasing complementary sequences.at n=15A296289
• First differences of A051924, or second differences of Central binomial coefficients A000984.at n=7A329533
• Maximum number of induced copies of the claw graph K_{1,3} in an n-node graph.at n=34A352666