Multiples of 22.

Terms

a(0) =0a(1) =22a(2) =44a(3) =66a(4) =88a(5) =110a(6) =132a(7) =154a(8) =176a(9) =198a(10) =220a(11) =242a(12) =264a(13) =286a(14) =308a(15) =330a(16) =352a(17) =374a(18) =396a(19) =418a(20) =440a(21) =462a(22) =484a(23) =506a(24) =528a(25) =550a(26) =572a(27) =594a(28) =616a(29) =638