Number of ways to write n as an ordered sum of 8 prime powers (including 1).

Terms

a(0) =1a(1) =8a(2) =36a(3) =120a(4) =330a(5) =784a(6) =1660a(7) =3208a(8) =5763a(9) =9752a(10) =15724a(11) =24368a(12) =36520a(13) =53152a(14) =75392a(15) =104464a(16) =141717a(17) =188624a(18) =246836a(19) =318088a(20) =404356a(21) =507656a(22) =630172a(23) =774048a(24) =941685a(25) =1135304a(26) =1357652a(27) =1611240a(28) =1899138a(29) =2224016