68845
domain: N
Appears in sequences
- Numbers n such that 247*2^n-1 is prime.at n=4A050882
- Partial sums of binomial(2n,n)^2.at n=5A115257
- Number of n-node triangulations of the projective plane N_1 in which every node has degree >= 5.at n=14A129045
- The number of equal-sized squares in the highest stack of squares contained in successive Genealodrons formed from 2^n - 1 equal-sized squares.at n=20A297103