19726764302
domain: N
Appears in sequences
- a(n) = 4*a(n-1) - a(n-2) with a(0) = 2, a(1) = 4.at n=18A003500
- Numerators of continued fraction convergents to sqrt(192).at n=17A041356
- a(n) = 14*a(n-1) - a(n-2); a(0) = 2, a(1) = 14.at n=9A067902
- Values of S(1) such that any Mersenne prime with an odd exponent p divides S(p-2), where S(n) == S(n-1)^2 - 2 (mod M(p)).at n=7A206257
- Number of perfect matchings in the twisted graph (C_4 X C_n)_(1234).at n=17A220867