489396
domain: N
Appears in sequences
- a(n) = Sum_{k=0..n} T(k) where T(n) are the tribonacci numbers A000073.at n=22A008937
- Define the generalized Pisot sequence T(a(0),a(1)) by: a(n+2) is the greatest integer such that a(n+2)/a(n+1) < a(n+1)/a(n). This is T(4,8).at n=19A018921
- Number of permutations s_1,s_2,...,s_n of 1,2,...,n such that for all j=1,2,...,n, j divides Sum_{i=1..j} s_i^3.at n=53A291355