a(n) = a(n-1) + 2^(k(n)), where k(n) is the n-th term of the sequence of numbers that are congruent to {0,3,4,5,7,8} mod 12.
A113829
a(n) = a(n-1) + 2^(k(n)), where k(n) is the n-th term of the sequence of numbers that are congruent to {0,3,4,5,7,8} mod 12.
Terms
- a(0) =1a(1) =9a(2) =25a(3) =57a(4) =185a(5) =441a(6) =4537a(7) =37305a(8) =102841a(9) =233913a(10) =758201a(11) =1806777a(12) =18583993a(13) =152801721a(14) =421237177a(15) =958108089a(16) =3105591737a(17) =7400559033a(18) =76120035769a(19) =625875849657
External references
- oeis: A113829