Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 49.
A031547
Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 49.
Terms
- a(0) =2403a(1) =2411a(2) =2423a(3) =2427a(4) =2447a(5) =2459a(6) =2467a(7) =2471a(8) =2503a(9) =2531a(10) =2539a(11) =2543a(12) =2547a(13) =2551a(14) =2563a(15) =2571a(16) =2579a(17) =2591a(18) =2599a(19) =9608a(20) =9696a(21) =9704a(22) =9728a(23) =9760a(24) =9824a(25) =9832a(26) =9856a(27) =9888a(28) =9896a(29) =9920
External references
- oeis: A031547