Multiples of 23.

Terms

a(0) =0a(1) =23a(2) =46a(3) =69a(4) =92a(5) =115a(6) =138a(7) =161a(8) =184a(9) =207a(10) =230a(11) =253a(12) =276a(13) =299a(14) =322a(15) =345a(16) =368a(17) =391a(18) =414a(19) =437a(20) =460a(21) =483a(22) =506a(23) =529a(24) =552a(25) =575a(26) =598a(27) =621a(28) =644a(29) =667