Numbers of the form m*(6*m-1) and m*(6*m+1), where m is an integer.

Terms

a(0) =0a(1) =5a(2) =7a(3) =22a(4) =26a(5) =51a(6) =57a(7) =92a(8) =100a(9) =145a(10) =155a(11) =210a(12) =222a(13) =287a(14) =301a(15) =376a(16) =392a(17) =477a(18) =495a(19) =590a(20) =610a(21) =715a(22) =737a(23) =852a(24) =876a(25) =1001a(26) =1027a(27) =1162a(28) =1190a(29) =1335