Solution of the complementary equation a(n) = 4*a(n-2) + b(n-1) + b(n-2), where a(0) = 1, a(1) = 3, b(0) = 2, and (a(n)) and (b(n)) are increasing complementary sequences.

A295063

Solution of the complementary equation a(n) = 4*a(n-2) + b(n-1) + b(n-2), where a(0) = 1, a(1) = 3, b(0) = 2, and (a(n)) and (b(n)) are increasing complementary sequences.

Terms

    a(0) =1a(1) =3a(2) =10a(3) =21a(4) =51a(5) =97a(6) =219a(7) =405a(8) =896a(9) =1643a(10) =3609a(11) =6599a(12) =14465a(13) =26427a(14) =57893a(15) =105743a(16) =231609a(17) =423011a(18) =926478a(19) =1692089a(20) =3705959a(21) =6768405a(22) =14823887a(23) =27073673a(24) =59295603a(25) =108294749a(26) =237182471

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