Solution a( ) of the complementary equation a(n) = b(n-1) + b(n-2), where a(0) = 1, a(1) = 4; see Comments.

A022425

Solution a( ) of the complementary equation a(n) = b(n-1) + b(n-2), where a(0) = 1, a(1) = 4; see Comments.

Terms

    a(0) =1a(1) =4a(2) =5a(3) =9a(4) =13a(5) =15a(6) =18a(7) =21a(8) =23a(9) =26a(10) =30a(11) =33a(12) =36a(13) =39a(14) =42a(15) =46a(16) =49a(17) =52a(18) =55a(19) =57a(20) =60a(21) =63a(22) =66a(23) =69a(24) =72a(25) =75a(26) =78a(27) =81a(28) =84a(29) =87

External references