Integers arising in A133677.

Terms

a(0) =2a(1) =5a(2) =15a(3) =77a(4) =187a(5) =345a(6) =551a(7) =1107a(8) =1457a(9) =1855a(10) =2301a(11) =3337a(12) =4565a(13) =5251a(14) =6767a(15) =7597a(16) =8475a(17) =11397a(18) =12467a(19) =14751a(20) =18537a(21) =19895a(22) =21301a(23) =24257a(24) =25807a(25) =34277a(26) =36115a(27) =38001a(28) =41917a(29) =43947