a(n) = n * A002445(n).

A228838

a(n) = n * A002445(n).

Terms

    a(0) =0a(1) =6a(2) =60a(3) =126a(4) =120a(5) =330a(6) =16380a(7) =42a(8) =4080a(9) =7182a(10) =3300a(11) =1518a(12) =32760a(13) =78a(14) =12180a(15) =214830a(16) =8160a(17) =102a(18) =34545420a(19) =114a(20) =270600a(21) =37926a(22) =15180a(23) =6486a(24) =1113840a(25) =1650a(26) =41340a(27) =21546a(28) =24360a(29) =10266

External references