30895
domain: N
Appears in sequences
- Number of free nonplanar polyenoids with n nodes and symmetry point group C_s.at n=7A000948
- Numbers n such that 69*2^n-1 is prime.at n=47A050560
- a(n) is the smallest number that is the sum of both 2n-1 and 2n+1 consecutive primes.at n=18A213174
- Numbers k such that k!6 + 12 is prime, where k!6 is the sextuple factorial number (A085158 ).at n=35A288155
- Coefficient of x^n in the expansion of ( (1-x+x^5) / (1-x) )^n.at n=20A387546