62173
domain: N
Appears in sequences
- Numbers k such that k^12 == 1 (mod 13^4).at n=27A056095
- Least multiple of 2n-1 ending in prime(n), 0 if no such number exists.at n=39A114780
- Heptagonal numbers A000566 which are the sum of two other heptagonal numbers > 0.at n=21A133251
- Let X denote the 2 X 2 matrix [0,1; 1,exp(1)], let Y = X^n; a(n) = floor(Y[1,1]).at n=11A138804
- a(n) = 9^n + 5^n - 1.at n=5A155636
- Heptagonal numbers (A000566) that are semiprimes (A001358).at n=25A259676