78240

Appears in sequences

• McKay-Thompson series of class 29A for Monster.at n=44A058611
• Triangle P, read by rows, that satisfies [P^4](n,k) = P(n+1,k+1) for n>=k>=0, also [P^(4*m)](n,k) = [P^m](n+1,k+1) for all m, where [P^m](n,k) denotes the element at row n, column k, of the matrix power m of P, with P(k,k)=1 and P(k+1,1)=P(k+1,0) for k>=0.at n=15A111845
• Triangle P, read by rows, that satisfies [P^4](n,k) = P(n+1,k+1) for n>=k>=0, also [P^(4*m)](n,k) = [P^m](n+1,k+1) for all m, where [P^m](n,k) denotes the element at row n, column k, of the matrix power m of P, with P(k,k)=1 and P(k+1,1)=P(k+1,0) for k>=0.at n=16A111845
• Number of partitions of 4^n - 1 into powers of 4, also equals column 0 of triangle A111845, which shifts columns left and up under matrix 4th power.at n=5A111846
• McKay-Thompson series of class 29A for the Monster group with a(0) = 2.at n=44A136570
• a(n) is the number of permutations of size n ending with n whose n left-to-right maxima are consecutive and nonadjacent.at n=9A374162