66304
domain: N
Appears in sequences
- Numbers that are the sum of 4 nonzero 8th powers.at n=18A003382
- Number of odd split numbers (A036382) in the interval [2^(n-1), 2^n].at n=18A036384
- a(n) = T(n,3), array T as in A049600.at n=11A049612
- Row sums of array T as in A054144.at n=8A054145
- Triangle of partial row sums (prs) of triangle A055252.at n=55A055584
- Number of valleys (i.e., (1,-1) followed by (1,1)) at level zero in all peakless Motzkin paths of length n+6 (can be easily translated into RNA secondary structure terminology).at n=11A110335
- a(n) = Sum_{d|n} phi(n/d)^2*2^(d+1).at n=15A161217
- Number of (w,x,y,z) with all terms in {1,...,n} and w>=average{x,y,z}.at n=19A212089
- Number of set partitions of [n] such that the difference between each element and its index (in the partition) is a multiple of seven.at n=17A274864
- Numbers whose product of prime indices is twice their sum of prime indices.at n=39A326151
- Number of graph minors in the cycle graph C_n.at n=31A353206