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A332312
Numbers k such that k and k + 1 have the same number of divisors in Gaussian integers.
4
62, 153, 175, 206, 278, 404, 422, 494, 657, 774, 801, 833, 854, 873, 891, 926, 1017, 1070, 1126, 1142, 1233, 1322, 1424, 1502, 1617, 1718, 1737, 1881, 1910, 1953, 2097, 2222, 2302, 2673, 2694, 2793, 2798, 2817, 2825, 2961, 2996, 3014, 3174, 3177, 3266, 3446, 3577
OFFSET
1,1
LINKS
EXAMPLE
62 is a term since both 62 and 63 have 6 divisors in Gaussian integers.
MATHEMATICA
SequencePosition[DivisorSigma[0, Range[3500], GaussianIntegers -> True], {x_, x_}][[All, 1]] (* after Harvey P. Dale at A005237 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Amiram Eldar, Feb 09 2020
STATUS
approved