Number of lines through at least 2 points of a 10 X n grid of points.

Terms

a(0) =0a(1) =1a(2) =102a(3) =203a(4) =370a(5) =563a(6) =836a(7) =1111a(8) =1470a(9) =1855a(10) =2306a(11) =2757a(12) =3298a(13) =3857a(14) =4506a(15) =5159a(16) =5868a(17) =6603a(18) =7428a(19) =8255a(20) =9172a(21) =10105a(22) =11098a(23) =12101a(24) =13194a(25) =14305a(26) =15496a(27) =16697a(28) =17964a(29) =19251