Number of ways of writing n as the sum of 7 triangular numbers.

Terms

a(0) =1a(1) =7a(2) =21a(3) =42a(4) =77a(5) =126a(6) =175a(7) =253a(8) =357a(9) =434a(10) =567a(11) =735a(12) =833a(13) =1057a(14) =1302a(15) =1400a(16) =1708a(17) =2037a(18) =2191a(19) =2597a(20) =3003a(21) =3151a(22) =3619a(23) =4242a(24) =4389a(25) =4935a(26) =5691a(27) =5740a(28) =6594a(29) =7434