133265

Appears in sequences

• G.f. is the polynomial (Product_{k=1..19} (1 - x^(3*k)))/(1-x)^19.at n=6A162639
• Number of 0..7 colorings of an n X 3 array circular in the 3 direction with new values 0..7 introduced in row major order.at n=3A214232
• T(n,k) = Number of 0..7 colorings of an nx(k+1) array circular in the k+1 direction with new values 0..7 introduced in row major order.at n=13A214238
• Number of 0..7 colorings of a 4X(n+1) array circular in the n+1 direction with new values 0..7 introduced in row major order.at n=1A214242
• Alternating sum of (n+1)*A000108(n+1).at n=9A331473
• a(n) = 1 + Sum_{k=0..n-1} (-1)^k * binomial(n-1,k) * a(k) * a(n-1-k).at n=9A386300