Numbers k such that k(3k-2) is an octagonal palindrome.

Terms

a(0) =0a(1) =1a(2) =2a(3) =52a(4) =6331a(5) =6431a(6) =7341a(7) =7863a(8) =426115a(9) =453486a(10) =1054067a(11) =1054167a(12) =1472746a(13) =2017631a(14) =42687015a(15) =1050553507a(16) =13175129925a(17) =335038979077