Composites that are the sum of two, three, four and five consecutive composite numbers.

Terms

a(0) =405a(1) =1395a(2) =3435a(3) =3525a(4) =4245a(5) =4365a(6) =6675a(7) =6885a(8) =7155a(9) =7515a(10) =7995a(11) =8325a(12) =8445a(13) =9075a(14) =10365a(15) =10845a(16) =11205a(17) =11543a(18) =13005a(19) =14235a(20) =14325a(21) =18075a(22) =19725a(23) =19875a(24) =22605a(25) =23257a(26) =23475a(27) =23617a(28) =26805a(29) =27315