127769

Appears in sequences

• Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n)^2, where a(0) = 1, a(1) = 2, b(0) = 3, b(1) = 4, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences.at n=17A296245
• Number of compositions of n with no adjacent triples (..., x, y, z, ...) where x <= y <= z.at n=23A344615