A359375 Numbers that are neither multiples of 4 nor of the form 6u+3.

1, 2, 5, 6, 7, 10, 11, 13, 14, 17, 18, 19, 22, 23, 25, 26, 29, 30, 31, 34, 35, 37, 38, 41, 42, 43, 46, 47, 49, 50, 53, 54, 55, 58, 59, 61, 62, 65, 66, 67, 70, 71, 73, 74, 77, 78, 79, 82, 83, 85, 86, 89, 90, 91, 94, 95, 97, 98, 101, 102, 103, 106, 107, 109, 110, 113, 114, 115, 118, 119, 121, 122, 125

Offset: 1

Author

Antti Karttunen, Dec 31 2022

Keywords

• nonn
• easy

Comments

Numbers that are neither odd multiples of 3 nor multiples of 4.

Numbers k for which A252463(k) is odd.

Numbers that are congruent to {1, 2, 5, 6, 7, 10, 11} mod 12. - Amiram Eldar, Jan 24 2023

Links

• Amiram Eldar, Table of n, a(n) for n = 1..10000
• Index entries for linear recurrences with constant coefficients, signature (1,0,0,0,0,0,1,-1).

Crossrefs

Cf. A000035, A064989, A252463, A359374 (characteristic function), A359376 (complement).

Cf. also A359380.

Programs

Mathematica

Select[Range[125], Mod[#, 6] != 3 && Mod[#, 4] > 0 &] (* Amiram Eldar, Jan 24 2023 *)

PARI

isA359375(n) = A359374(n);