30590

Appears in sequences

• High temperature series for spin-1/2 Ising magnetic susceptibility on 7D simple cubic lattice.at n=4A030008
• Triangle read by rows: matrix 4th power of the Stirling2 triangle A008277.at n=24A039812
• Number of permutations of length n which avoid the patterns 1243, 4123, 4213.at n=9A116746
• Numbers n such that phi(n)=reversal(n)+1.at n=2A137598
• a(n) = 25*n^2 - n.at n=34A157514
• a(n) = 1225*n^2 - 35.at n=4A158735
• G.f.: 1/(1 - x/(1 - x^3/(1 - x^4/(1 - x^7/(1 - x^11/(1 - x^18/(1 -...- x^Lucas(n)/(1 -...)))))))), a continued fraction.at n=27A206742
• Numbers k such that 2 * A000217(k) + 1 is triangular.at n=12A216134
• Sequences A006452 and A216134 interlaced.at n=25A216162
• Number of (n+2)X(5+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00001011.at n=6A260498
• Number of (n+2)X(7+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00001011.at n=4A260500
• Number of n-step self-avoiding walks on 7-D cubic lattice.at n=4A342883
• a(n) is the number of 4-step self avoiding walks in the n-dimensional hypercubic lattice that start at the origin.at n=6A374397
• Expansion of (1/x) * Series_Reversion( x / (1 + x^4 * (1 + x)^2) ).at n=21A389130