53808401
domain: N
Appears in sequences
- a(n) = 2*a(n-1) + 3*a(n-2), a(0) = 1, a(1) = 4.at n=16A060925
- Sums of rows of triangle in A077385.at n=8A077386
- Numbers k such that A081249(m)/m^2 has a local minimum for m = k.at n=16A081250
- Expansion of (1+x)/(1-10*x+9*x^2).at n=8A138894
- Moore lower bound on the order of a (10,g)-cage.at n=14A198310
- a(n) = a(n-1) + 2*a(n-2) - 2*a(n-3) + 3*a(n-4) - 3*a(n-5), where a(0) = 1, a(1) = 3, a(2) = 6, a(3) = 11, a(4) = 20, a(5) = 33.at n=31A297443
- 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=16A297445