196454
domain: N
Appears in sequences
- Number of permutations of length n which avoid the patterns 123, 3241.at n=16A116702
- Number of n-node unlabeled rooted trees with thickening limbs and root outdegree (branching factor) 5.at n=47A245145
- Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-1) - b(n-2) - b(n-3), where a(0) = 1, a(1) = 3, a(2) = 5, b(0) = 2, b(1) = 4, b(2) = 6, and (a(n)) and (b(n)) are increasing complementary sequences.at n=27A295362