0-sequence of reduction of pentagonal numbers sequence by x^2 -> x+1.

Terms

a(0) =1a(1) =1a(2) =13a(3) =35a(4) =105a(5) =258a(6) =608a(7) =1344a(8) =2865a(9) =5910a(10) =11894a(11) =23444a(12) =45427a(13) =86755a(14) =163645a(15) =305397a(16) =564647a(17) =1035446a(18) =1885050a(19) =3409610a(20) =6131441a(21) =10968416a(22) =19528188a(23) =34617960a(24) =61125685a(25) =107540053a(26) =188567053a(27) =329625719a(28) =574558965a(29) =998836650