215379

Appears in sequences

• Euler transform of powers of 2 [1,2,4,8,16,...].at n=15A034691
• Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n)^2, where a(0) = 3, a(1) = 4, b(0) = 1, b(1) = 2, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences.at n=18A296250