Triangle read by rows, generated from (..., 5, 3, 1).

Terms

a(0) =1a(1) =1a(2) =3a(3) =1a(4) =6a(5) =5a(6) =1a(7) =9a(8) =19a(9) =7a(10) =1a(11) =12a(12) =42a(13) =44a(14) =9a(15) =1a(16) =15a(17) =74a(18) =138a(19) =85a(20) =11a(21) =1a(22) =18a(23) =115a(24) =316a(25) =363a(26) =146a(27) =13a(28) =1a(29) =21