First differences of A054270.

Terms

a(0) =4a(1) =16a(2) =24a(3) =66a(4) =54a(5) =116a(6) =76a(7) =164a(8) =316a(9) =114a(10) =414a(11) =302a(12) =178a(13) =360a(14) =596a(15) =666a(16) =250a(17) =764a(18) =556a(19) =284a(20) =906a(21) =654a(22) =1036a(23) =1484a(24) =790a(25) =414a(26) =840a(27) =420a(28) =896a(29) =3364