Lexicographically earliest sequence whose second differences are the digits of Pi.

Terms

a(0) =0a(1) =1a(2) =5a(3) =10a(4) =19a(5) =29a(6) =44a(7) =68a(8) =94a(9) =126a(10) =163a(11) =203a(12) =248a(13) =301a(14) =363a(15) =432a(16) =510a(17) =591a(18) =674a(19) =760a(20) =854a(21) =952a(22) =1056a(23) =1162a(24) =1274a(25) =1390a(26) =1509a(27) =1631a(28) =1761a(29) =1894