A333102 Numbers k such that both k and k + 2 are both nontotients and noncototients (A058763).

532, 722, 872, 962, 1394, 1586, 1682, 1922, 2072, 2116, 2262, 2314, 2316, 2534, 2822, 2946, 3026, 3052, 3112, 3172, 3174, 3176, 3426, 3474, 3486, 3626, 3686, 3892, 4082, 4146, 4184, 4234, 4292, 4526, 4528, 4578, 4610, 4628, 5066, 5250, 5252, 5546, 5962, 5964, 6104

Offset

1,1

Links

Table of n, a(n) for n=1..45.

Eric Weisstein's World of Mathematics, Noncototient.

Eric Weisstein's World of Mathematics, Nontotient.

Wikipedia, Noncototient.

Wikipedia, Nontotient.

Example

532 is a term since both 532 and 534 are both nontotients and noncototients.

Crossrefs

Intersection of A333100 and A333101.

Cf. A005277, A005278, A058763, A063512, A072296.

Sequence in context: A098257 A174780 A191950 * A048055 A067803 A098258

Adjacent sequences: A333099 A333100 A333101 * A333103 A333104 A333105

Keyword

nonn

Author

Amiram Eldar, Mar 07 2020

Status

approved