a(n) is the number of integer sextuples (a,b,c,d,e,f) satisfying a system of linear inequalities and congruences specified in the comments.

A384295

a(n) is the number of integer sextuples (a,b,c,d,e,f) satisfying a system of linear inequalities and congruences specified in the comments.

Terms

    a(0) =1a(1) =42a(2) =684a(3) =4388a(4) =17976a(5) =56076a(6) =145630a(7) =331410a(8) =682596a(9) =1300338a(10) =2326422a(11) =3952896a(12) =6432777a(13) =10091748a(14) =15340947a(15) =22690710a(16) =32765418a(17) =46319334a(18) =64253491a(19) =87633588a(20) =117708960a(21) =155932526a(22) =203981823a(23) =263781030a(24) =337524061a(25) =427698636a(26) =537111456a(27) =668914338a(28) =826631436

External references