a(n) = A061037(7*n+2).

Terms

a(0) =0a(1) =77a(2) =63a(3) =525a(4) =56a(5) =1365a(6) =483a(7) =2597a(8) =210a(9) =4221a(10) =1295a(11) =6237a(12) =462a(13) =8645a(14) =2499a(15) =11445a(16) =812a(17) =14637a(18) =4095a(19) =18221a(20) =1260a(21) =22197a(22) =6083a(23) =26565a(24) =1806a(25) =31325a(26) =8463a(27) =36477a(28) =2450a(29) =42021