1195742
domain: N
Appears in sequences
- a(n) = 2*a(n-1) + 3*a(n-2), with a(0)=0, a(1)=1.at n=14A015518
- Numbers n such that A081249(m)/m^2 has a local maximum for m = n.at n=12A081251
- Numbers whose base-9 representation is 22222222.......2.at n=7A125857
- a(n) = 3*a(n-1) - a(n-3) + 3*a(n-4), starting with 1, 2, 6, 20.at n=13A132353
- Moore lower bound on the order of a (10,g)-cage.at n=11A198310
- a(n) = floor(3^n/n^2).at n=17A230664
- 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=24A297443
- a(n) is the numerator of the ratio of winning probabilities in a game similar to A370823, but with a draw and single round odds A:B:draw of 3:2:1.at n=13A370825
- a(n) = numerator(Voronoi(3, 2*n)) where Voronoi(c, n) = ((c^n - 1) * Bernoulli(n)) / (n * c^(n - 1)).at n=6A371639
- a(n) = (3^n + 2*n*3^(n-1) - 1)/4.at n=12A392266