Number of ways to write n as an ordered sum of 7 nonprime numbers.

Terms

a(0) =1a(1) =0a(2) =0a(3) =7a(4) =0a(5) =7a(6) =21a(7) =7a(8) =49a(9) =42a(10) =63a(11) =154a(12) =119a(13) =259a(14) =357a(15) =420a(16) =707a(17) =861a(18) =1169a(19) =1666a(20) =2072a(21) =2752a(22) =3703a(23) =4557a(24) =5999a(25) =7637a(26) =9422a(27) =12089a(28) =14931a(29) =18354