29185
domain: N
Appears in sequences
- Strong pseudoprimes to base 67.at n=13A020293
- Number of partitions in parts not of the form 17k, 17k+1 or 17k-1. Also number of partitions with no part of size 1 and differences between parts at distance 7 are greater than 1.at n=50A035962
- Numbers k such that Sum_{i=1..k} i^7 divides Product_{i=1..k} i^7.at n=31A166607
- G.f.: 1/(1 - x*(1-x^5)/(1 - x^2*(1-x^6)/(1 - x^3*(1-x^7)/(1 - x^4*(1-x^8)/(1 - x^5*(1-x^9)/(1 - ...)))))), a continued fraction.at n=22A227374
- Number of von Neumann regular elements in the ring of 2 X 2 matrices over Z_n.at n=15A295071
- Stellated octagon numbers: a(n) = 20*n^2 + 8*n + 1.at n=38A381196