a(n) = A110936(n)/6 for n >= 3.

Terms

a(0) =1a(1) =1a(2) =1a(3) =35a(4) =5a(5) =7a(6) =1a(7) =5a(8) =77a(9) =8645a(10) =55a(11) =7a(12) =1a(13) =5a(14) =1a(15) =155155a(16) =161a(17) =11a(18) =319865a(19) =7a(20) =1a(21) =115a(22) =7735a(23) =55a(24) =7a(25) =1a(26) =319865a(27) =2465a(28) =5719a(29) =11