Triangle read by rows: A000012 * A153345.

Terms

a(0) =1a(1) =3a(2) =0a(3) =7a(4) =1a(5) =0a(6) =14a(7) =5a(8) =1a(9) =0a(10) =26a(11) =16a(12) =6a(13) =1a(14) =0a(15) =46a(16) =42a(17) =23a(18) =7a(19) =1a(20) =0a(21) =79a(22) =98a(23) =71a(24) =31a(25) =8a(26) =1a(27) =0a(28) =133a(29) =212