a(n) = A349745(n) divided by 2 if it is even, and 0 if A349745(n) is odd.

Terms

a(0) =0a(1) =60a(2) =108a(3) =336a(4) =1232a(5) =11088a(6) =114240a(7) =261888a(8) =320320a(9) =418880a(10) =2790720a(11) =2882880a(12) =3769920a(13) =6499584a(14) =9801792a(15) =16930368a(16) =19171152a(17) =35672000a(18) =47736000a(19) =51068160a(20) =98654400a(21) =110046720a(22) =172540368a(23) =229909120a(24) =403504640a(25) =487788480a(26) =738152448a(27) =755415680a(28) =886792320a(29) =1960686000