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A332312 Numbers k such that k and k + 1 have the same number of divisors in Gaussian integers. 4

%I

%S 62,153,175,206,278,404,422,494,657,774,801,833,854,873,891,926,1017,

%T 1070,1126,1142,1233,1322,1424,1502,1617,1718,1737,1881,1910,1953,

%U 2097,2222,2302,2673,2694,2793,2798,2817,2825,2961,2996,3014,3174,3177,3266,3446,3577

%N Numbers k such that k and k + 1 have the same number of divisors in Gaussian integers.

%H Amiram Eldar, <a href="/A332312/b332312.txt">Table of n, a(n) for n = 1..10000</a>

%e 62 is a term since both 62 and 63 have 6 divisors in Gaussian integers.

%t SequencePosition[DivisorSigma[0, Range[3500], GaussianIntegers -> True], {x_, x_}][[All, 1]] (* after _Harvey P. Dale_ at A005237 *)

%Y Cf. A005237, A062327, A332313, A332314.

%K nonn

%O 1,1

%A _Amiram Eldar_, Feb 09 2020

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Last modified May 15 22:30 EDT 2021. Contains 343936 sequences. (Running on oeis4.)