Coefficients in q-expansion of (E_2*E_4 - E_6)/720, where E_2, E_4, E_6 are the Eisenstein series shown in A006352, A004009, A013973, respectively.

A281372

Coefficients in q-expansion of (E_2*E_4 - E_6)/720, where E_2, E_4, E_6 are the Eisenstein series shown in A006352, A004009, A013973, respectively.

Terms

    a(0) =0a(1) =1a(2) =18a(3) =84a(4) =292a(5) =630a(6) =1512a(7) =2408a(8) =4680a(9) =6813a(10) =11340a(11) =14652a(12) =24528a(13) =28574a(14) =43344a(15) =52920a(16) =74896a(17) =83538a(18) =122634a(19) =130340a(20) =183960a(21) =202272a(22) =263736a(23) =279864a(24) =393120a(25) =393775a(26) =514332a(27) =551880a(28) =703136a(29) =707310

External references