33607
domain: N
Appears in sequences
- Interprimes which are of the form s*prime, s=7.at n=32A075282
- Alternating row sums of triangle A134134.at n=7A134135
- Number of permutations of 4 copies of 1..n avoiding adjacent step pattern up, down, down, up, up.at n=2A177650
- Smallest k such that 36^k mod k = n.at n=29A178197
- Smallest k such that prime(k) + prime(k+1) = prime(k+2) + prime(k-n).at n=10A188268
- Number of (w,x,y,z) with all terms in {0,...,n} and (least gapsize)<=2.at n=14A212898
- Numbers n such that there is an integer k with the property that k^tau(n) = sigma(n).at n=18A225239
- Number of partitions of n having (sum of odd parts) > (sum of even parts).at n=43A239262
- Number of partitions of n having (sum of odd parts) >= (sum of even parts).at n=43A239263
- G.f. A(x) satisfies: A(x) = Sum_{n=-oo..+oo} x^n * (A(x) - x^n)^(2*n).at n=7A265266
- Expansion of Product_{k>=1} (1 - x^(8*(2*k-1))) * (1 - x^(8*k)) / (1 - x^k).at n=43A280938
- Number of tiles in distance d from a given heptagon in the truncated order-3 tiling of the heptagonal plane (a.k.a. the "hyperbolic soccerball").at n=16A290398
- Squarefree k > 1 with sigma(sigma(sigma(k))) < 3*k + 1.at n=38A320513
- Expansion of e.g.f. A(x) satisfying A(x) = 1 + x*exp(x) * A(x^2*exp(x)).at n=7A369551
- Numbers k such that the k-th maximal run of composite numbers has length different from all prior maximal runs. Sorted positions of first appearances in A176246 (or A046933 shifted).at n=42A373400