25397

Appears in sequences

• a(n) = least k such that the remainder when 15^k is divided by k is n.at n=25A128155
• Primitive subsequence of A111105.at n=37A137559
• Number of (n+2) X (1+2) 0..1 arrays with each 3 X 3 subblock having clockwise perimeter pattern 00000000 00000001 or 00000011.at n=8A259887
• T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00000011.at n=36A259894
• Numbers m that generate rotationally symmetrical XOR-triangles T(m) that have central triangles of zeros.at n=26A334769
• Expansion of e.g.f. (1/x) * Series_Reversion( x * exp(-x)/(1 + x)^3 ).at n=4A377830