Row sums of triangular array T: T(j,1) = 1 for ((j-1) mod 8) < 4, else 0; T(j,k) = T(j-1,k-1) + T(j,k-1) for 2 <= k <= j.
A131076
Row sums of triangular array T: T(j,1) = 1 for ((j-1) mod 8) < 4, else 0; T(j,k) = T(j-1,k-1) + T(j,k-1) for 2 <= k <= j.
Terms
- a(0) =1a(1) =3a(2) =7a(3) =15a(4) =26a(5) =42a(6) =64a(7) =93a(8) =139a(9) =231a(10) =463a(11) =1092a(12) =2744a(13) =6840a(14) =16384a(15) =37383a(16) =81295a(17) =169119a(18) =338239a(19) =654192a(20) =1232288a(21) =2280864a(22) =4194304a(23) =7761375a(24) =14635711a(25) =28384383a(26) =56768767a(27) =116566080a(28) =243472256a(29) =511907712
External references
- oeis: A131076