The second crank moment function M_2(n).

Terms

a(0) =0a(1) =2a(2) =8a(3) =18a(4) =40a(5) =70a(6) =132a(7) =210a(8) =352a(9) =540a(10) =840a(11) =1232a(12) =1848a(13) =2626a(14) =3780a(15) =5280a(16) =7392a(17) =10098a(18) =13860a(19) =18620a(20) =25080a(21) =33264a(22) =44088a(23) =57730a(24) =75600a(25) =97900a(26) =126672a(27) =162540a(28) =208208a(29) =264770