65671

Appears in sequences

• a(n) = a(n-1) + a(n-2) + 5 where a(0) = a(1) = 1.at n=20A111721
• a(n) = n*(n-1)/2 + 2^(n-1) - 1.at n=16A335439
• a(n) = A159065(n+1) - A334701(n).at n=40A335677