Row sums of triangle A092686, in which the convolution of each row with {1,2} produces a triangle that, when flattened, equals the flattened form of A092686.
A092688
Row sums of triangle A092686, in which the convolution of each row with {1,2} produces a triangle that, when flattened, equals the flattened form of A092686.
Terms
- a(0) =1a(1) =4a(2) =16a(3) =58a(4) =204a(5) =698a(6) =2346a(7) =7774a(8) =25480a(9) =82774a(10) =266946a(11) =855674a(12) =2728702a(13) =8663402a(14) =27400862a(15) =86376186a(16) =271488444a(17) =851099874a(18) =2661967502a(19) =8308462182a(20) =25883429326a(21) =80497346294a(22) =249956869434a(23) =775048966478
External references
- oeis: A092688