26613
domain: N
Appears in sequences
- Number of partitions of n into an even number of parts.at n=42A027187
- Multiplicity of highest weight (or singular) vectors associated with character chi_22 of Monster module.at n=40A034410
- Number of cycle types of conjugacy classes of all even permutations of n elements.at n=42A046682
- a(n) = (n+2)*(a(n-1) - a(n-2)), starting with a(-1)=0 and a(0)=1.at n=8A051403
- (8*n^3 + 3*n^2 + n) / 6.at n=26A219054
- Number of partitions of 2n of type EE (see Comments).at n=21A236913
- Numbers k such that (5*10^k - 173)/3 is prime.at n=17A294727
- Triangle read by rows: T(n,k) = (n+2) * (Sum_{i=k..n} i!) / ((k+2) * k!) for 0 <= k <= n with T(i,j) = 0 if j < 0 or i < j.at n=28A344381
- Number of integer partitions of n with reverse-alternating product <= 1.at n=42A347443