a(n) = A115004(n) - A334701(n).

Terms

a(0) =0a(1) =2a(2) =7a(3) =26a(4) =55a(5) =118a(6) =203a(7) =350a(8) =513a(9) =802a(10) =1153a(11) =1594a(12) =2105a(13) =2878a(14) =3701a(15) =4770a(16) =5973a(17) =7510a(18) =9221a(19) =11282a(20) =13411a(21) =16202a(22) =19255a(23) =22674a(24) =26371a(25) =31018a(26) =35865a(27) =41422a(28) =47377a(29) =54114