A372069 Value of p^2 + (p-1)^2/2 as p runs through A001359 (the lesser of twin primes).

11, 33, 171, 417, 1233, 2481, 5163, 7491, 15201, 17067, 28017, 33153, 47883, 54531, 58017, 77067, 85443, 108273, 118161, 144771, 180267, 262923, 278211, 318321, 406641, 485073, 537603, 570417, 615681, 650763, 980913, 1010241, 1025067, 1100817, 1163361, 1556523, 1593411, 1649553, 1687521

Offset

1,1

Links

Table of n, a(n) for n=1..39.

Jean-Claude Babois, UNA PROPRIETAT CARACTERISTICA DEI NOMBRES PROMIERS BESSONS, Sapiéncia Occitana, May 21 2024

Crossrefs

Sequence in context: A213973 A262913 A179204 * A328606 A240414 A262328

Adjacent sequences: A372066 A372067 A372068 * A372070 A372071 A372072

Keyword

nonn

Author

N. J. A. Sloane, May 25 2024, based on an email from Jean-Claude Babois

Status

approved