Numbers k such that k^3 divides 14^(k^2) - 1.

Terms

a(0) =1a(1) =13a(2) =2041a(3) =8801a(4) =1381757a(5) =24355253a(6) =249302027a(7) =464754407a(8) =2681233451a(9) =16488506281a(10) =16772956369a(11) =39665616523a(12) =72966441899a(13) =168777472279a(14) =388885239223a(15) =420953651807