39226324511
domain: N
Appears in sequences
- a(n) = 2*a(n-1) + 3*a(n-2), a(0) = 1, a(1) = 4.at n=22A060925
- Numbers k such that A081249(m)/m^2 has a local minimum for m = k.at n=22A081250
- Expansion of (1+x)/(1-10*x+9*x^2).at n=11A138894
- Moore lower bound on the order of a (10,g)-cage.at n=20A198310
- a(n) = a(n-1) + 9*a(n-2) - 9*a(n-3), where a(0) = 1, a(1) = 5, a(2) = 11.at n=22A297445
- a(n) = (3^n + 2*n*3^(n-1) - 1)/4.at n=21A392266