121416

Appears in sequences

• Expansion of a cusp form of weight 8 for Gamma_1(6).at n=23A006354
• Diagonal sums of Riordan array (1/(1+x),x(1+x)/(1-x)).at n=22A112476
• Number of binary strings of length n with no substrings equal to 0001 or 1000.at n=15A164398
• a(n) = Sum_{d divides n} d*(n/d)^(d-1).at n=34A167531
• Number of nX5 0..1 arrays with every element equal to 0 or 1 horizontally or antidiagonally adjacent elements, with upper left element zero.at n=16A301787