25347

Appears in sequences

• Number of binary [ n,3 ] codes without 0 columns.at n=33A034344
• Numerators of continued fraction convergents to sqrt(594).at n=5A042138
• Matrix inverse of Euler's triangle A008292.at n=33A055325
• Largest number not the sum of n distinct nonzero squares.at n=36A129210
• Partial sums of A027444.at n=17A152457
• a(n) = (1/2)*(n^3 - 6*n^2 + 13*n - 6).at n=38A158498
• Triangle read by rows: T(n, k) = Sum_{j=0..k} (-1)^j*binomial(n, j)*(k + 1 - j)^(n - 1).at n=33A162498
• Principal diagonal of the convolution array A213844.at n=16A213845
• The 360 degree spoke (or ray) of a hexagonal spiral of Ulam.at n=46A244803
• Numbers k such that s(k) = s(k+1) but phi(k) != phi(k+1), where s(k) = phi(k) + phi(phi(k)) + ... + 1 is the sum of iterated phi (A092693).at n=14A291177
• Numbers that are the sum of seven fourth powers in seven or more ways.at n=21A345573
• Numbers that are the sum of seven fourth powers in eight or more ways.at n=8A345574
• Numbers that are the sum of seven fourth powers in exactly eight ways.at n=4A345830
• Start with a 2 X n array of squares, join every vertex on top edge to every vertex on bottom edge; a(n) = one-half the number of cells.at n=23A355902
• Triangle read by rows: number of permutations of length n that require exactly k removals from the beginning to become heapable.at n=39A390368