a(n) = n-th pi-based antiderivative of 9.

Terms

a(0) =9a(1) =23a(2) =83a(3) =431a(4) =3001a(5) =27457a(6) =10626a(7) =112087a(8) =87306a(9) =172810a(10) =280217a(11) =390133a(12) =353555a(13) =750243a(14) =1318106a(15) =937023a(16) =367542a(17) =2615090a(18) =3434663a(19) =3281065a(20) =3270774a(21) =4979697a(22) =8021665a(23) =4627825a(24) =5618666a(25) =11169397