Numbers k such that the sum of the first k composite numbers is palindromic.

Terms

a(0) =1a(1) =22a(2) =24a(3) =167a(4) =202a(5) =226a(6) =1443a(7) =2380a(8) =3190a(9) =3952a(10) =4220a(11) =16827a(12) =26304a(13) =37612a(14) =40813a(15) =213501a(16) =376524a(17) =1920079a(18) =2061085a(19) =2635057a(20) =3463613a(21) =4268588a(22) =16513206a(23) =68101132a(24) =166428703a(25) =207224360a(26) =403784450a(27) =421279478a(28) =1384813481