Numbers k > 1 such that tau(k^2-1) + 1 = tau(k^2) = tau(k^2+1) - 1, tau = A000005.

Terms

a(0) =165182a(1) =1395182a(2) =3262682a(3) =3977318a(4) =5360182a(5) =5937682a(6) =6899818a(7) =7582682a(8) =9542318a(9) =11345182a(10) =11612318a(11) =12167318a(12) =12624818a(13) =16427318a(14) =18770182a(15) =21622682a(16) =22109818a(17) =24389818a(18) =24437318a(19) =26750182a(20) =33504818a(21) =34657682a(22) =49904818a(23) =53542318a(24) =55172318a(25) =55695182