165182
domain: N
Appears in sequences
- Number of n X 4 0..1 arrays avoiding 0 0 0 and 1 1 1 horizontally and 0 0 1 and 0 1 0 vertically.at n=8A207770
- Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n), where a(0) = 2, a(1) = 3, b(0) = 1, b(1) = 4, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences.at n=21A295951
- Numbers k > 1 such that tau(k^2-1) + 1 = tau(k^2) = tau(k^2+1) - 1, tau = A000005.at n=0A352974