30814

Appears in sequences

• Jabotinsky-triangle related to A039647.at n=23A039692
• Triangle read by rows: coefficients of polynomials p(x,n) defined by 1/(1-t-t^2)^x = Sum_{n=1..oo} p(x,n)*t^n/n!.at n=31A194938
• Numbers n such that n = x + y, sigma_1(n) = sigma_1(x) + sigma_1(y) and sigma_2(n) = sigma_2(x) + sigma_2(y).at n=19A219033
• Number of nondecreasing -n..n vectors of length 5 whose dot product with some nonincreasing -n..n vector equals 5.at n=8A226402
• Number of partitions of n not containing 3*(number of parts) as a part.at n=38A238491
• a(n) = n*(67*n - 89)/2.at n=31A263227
• Expansion of 1 / ((1-x)^2*(1-x^2)*(1-x^3)*...*(1-x^9)).at n=33A288344
• Number of nX5 0..1 arrays with every element equal to 0, 1, 2, 4, 5 or 8 king-move adjacent elements, with upper left element zero.at n=6A299347
• Number of nX7 0..1 arrays with every element equal to 0, 1, 2, 4, 5 or 8 king-move adjacent elements, with upper left element zero.at n=4A299349