1490944
domain: N
Appears in sequences
- Theta series of D*_14 lattice.at n=15A022067
- a(n) = 2^n*binomial(n,2).at n=14A100381
- Number of ternary Lyndon words with exactly five 1's.at n=11A124723
- Nonprime Heinz numbers of integer partitions whose product is equal to their sum.at n=28A301988
- a(n) is the number of subsets of {1,2,...,n} that contain exactly two odd numbers.at n=27A330592
- Triangle T(n,k) read by rows in which n-th row lists in increasing order all multiplicative partitions mu of n whose sum is also n (with factors >= 1), encoded as Product_{j in mu} prime(j); n>=1, 1<=k<=A001055(n).at n=49A377852
- a(n) = (1/2) * Sum_{k=0..floor(n/3)} 2^(n-2*k) * binomial(2*k+2,2*n-6*k+1).at n=23A387556