Numbers k whose nearest neighbors have the same number of divisors, the same number of distinct prime factors, and the same sum of divisors.

A294173

Numbers k whose nearest neighbors have the same number of divisors, the same number of distinct prime factors, and the same sum of divisors.

Terms

    a(0) =34a(1) =55a(2) =919a(3) =1241a(4) =4149a(5) =4188a(6) =7170a(7) =12566a(8) =15086a(9) =24882a(10) =25020a(11) =26610a(12) =51836a(13) =53964a(14) =59988a(15) =77058a(16) =143370a(17) =150420a(18) =167561a(19) =170562a(20) =205728a(21) =215070a(22) =220818a(23) =418308a(24) =564858a(25) =731321a(26) =907255a(27) =910316a(28) =986154a(29) =1239870

External references