36423
domain: N
Appears in sequences
- Denominators of continued fraction convergents to sqrt(175).at n=8A041323
- Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 1), (0, 0, 1), (0, 1, -1), (1, -1, -1)}.at n=12A148025
- Denominator of the harmonic mean of the first n pentagonal numbers.at n=6A250328
- Least positive integer k such that prime(prime(k)), prime(prime(k*n)), prime(p) and prime(q) form a 4-term arithmetic progression for some pair of primes p and q.at n=35A261462
- G.f.: Sum_{k>=1} x^(2*k-1)/(1+x^(2*k-1)) * Product_{k>=1} (1+x^k)/(1-x^k).at n=25A305124