Последовательность A002559 в OEIS = Markoff (or Markov) numbers: union of positive integers x, y, z satisfying x^2 + y^2 + z^2 = 3xyz. // 13, 29, 34, 89, 169, 194, 233, 433, 610
Последовательность A127334 в OEIS = Numbers that are the sum of 7 consecutive primes. // 75, 95, 119, 143, 169, 197, 223, 251, 281
Последовательность A014090 в OEIS = Numbers that are not the sum of a square and a prime. // 85, 91, 121, 130, 169, 196, 214, 226, 289
Последовательность A048968 в OEIS = Numbers n such that sigma(n) / d(n) is prime. // 49, 61, 73, 150, 157, 169, 193, 277, 313, 361, 397
Последовательность A048969 в OEIS = Numbers n such that n is composite and sigma(n) / d(n) is prime. // 6, 20, 45, 49, 150, 169, 361, 832, 961, 1445, 1734
Последовательность A188284 в OEIS = Finite sequence of numbers n such that iterations for the map r -> A061602(r) starting with n ends with the same number n. // 1, 2, 145, 169, 871, 872, 1454, 40 585, 45 361, 45 362, 363 601
Последовательность A033491 в OEIS = a(n) is the smallest integer that takes n halving and tripling steps to reach 1 in the 3x+1 problem. // 361, 123, 246, 481, 169, 329, 641, 219, 427
Последовательность A259544 в OEIS = Minimum greatest integer in a set of n positive integers whose subsets all have distinct arithmetic means. // 1, 2, 4, 7, 16, 32, 75, 169