The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 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 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Amiram Eldar, Table of n, a(n) for n = 1..10000 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 Cf. A005237, A062327, A332313, A332314. Sequence in context: A044313 A044694 A238138 * A104054 A255153 A044394 Adjacent sequences:  A332309 A332310 A332311 * A332313 A332314 A332315 KEYWORD nonn AUTHOR Amiram Eldar, Feb 09 2020 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified April 21 04:29 EDT 2021. Contains 343146 sequences. (Running on oeis4.)