A359376 Numbers that are either odd multiples of 3 or multiples of 4. Numbers k such that A252463(k) is even.

0, 3, 4, 8, 9, 12, 15, 16, 20, 21, 24, 27, 28, 32, 33, 36, 39, 40, 44, 45, 48, 51, 52, 56, 57, 60, 63, 64, 68, 69, 72, 75, 76, 80, 81, 84, 87, 88, 92, 93, 96, 99, 100, 104, 105, 108, 111, 112, 116, 117, 120, 123, 124, 128, 129, 132, 135, 136, 140, 141, 144, 147, 148, 152, 153, 156, 159, 160, 164, 165

Offset: 1

Author

Antti Karttunen, Dec 31 2022

Keywords

• nonn
• easy

Comments

Numbers that are congruent to {0, 3, 4, 8, 9} 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 (1,0,0,0,1,-1).

Crossrefs

Disjoint union of A016945 and A008586.

Cf. A000035, A064989, A252463, A359375 (complement), A359379 (characteristic function).

Positions of 0's in A359374.

Programs

Mathematica

Select[Range[0, 165], Mod[#, 6] == 3 || Mod[#, 4] == 0 &] (* Amiram Eldar, Jan 24 2023 *)

PARI

isA359376(n) = A359379(n);

PARI

isA359376(n) = !A359374(n);

PARI

isA359376(n) = (((n%2)&&!(n%3))||!(n%4));