Composite numbers k such that P(k, 7) == 7 (mod k), where P(k, 7) = A084768(k) is the k-th Legendre polynomial evaluated at 7.

A330205

Composite numbers k such that P(k, 7) == 7 (mod k), where P(k, 7) = A084768(k) is the k-th Legendre polynomial evaluated at 7.

Terms

    a(0) =6a(1) =15a(2) =21a(3) =22a(4) =105a(5) =119a(6) =231a(7) =426a(8) =483a(9) =1290a(10) =1939a(11) =4429a(12) =4450a(13) =4578a(14) =10609a(15) =12999a(16) =14118a(17) =16899a(18) =23262a(19) =26733a(20) =37401a(21) =39858a(22) =82194a(23) =108345a(24) =121335a(25) =127434a(26) =302253a(27) =380757a(28) =724647a(29) =836437

External references