32549
domain: N
Appears in sequences
- Number of primes with nonzero digits and digit sum n.at n=18A073901
- Numbers k such that 2*k+1, 3*k+2, 4*k+3 and 5*k+4 are primes.at n=31A138700
- Number of (undirected) cycles in the graph with nodes labeled 1..n, and nodes i and j joined by an edge if i divides j or vice versa.at n=20A161787
- Number of partitions p of n such that (number of numbers of the form 3k+2 in p) is a part of p.at n=41A241548
- Expansion of Product_{k>=1} (1 + x^k)^k / (1 + x^(5*k))^(5*k).at n=23A285293
- Square array A(n,k) = A276945(n,k)-1, read by descending antidiagonals: A(1,1), A(1,2), A(2,1), A(1,3), A(2,2), A(3,1), etc.at n=50A286615
- Transpose of square array A286615.at n=49A286616