A361464 Numbers k such that A135504(k+1) / A135504(k) is a multiple of 4.

6, 10, 18, 21, 22, 30, 32, 42, 45, 46, 58, 66, 68, 70, 78, 82, 85, 91, 93, 102, 106, 114, 117, 126, 128, 130, 133, 138, 140, 141, 150, 162, 165, 166, 171, 176, 178, 187, 190, 198, 200, 205, 210, 212, 213, 214, 222, 226, 234, 235, 238, 248, 250, 253, 261, 262, 267, 270, 282, 294, 301, 306, 308, 310, 320

Offset

1,1

Comments

Numbers k for which A135506(n) == 3 (mod 4).

Links

Table of n, a(n) for n=1..65.

Prog

(PARI) isA361464(n) = A361463(n);

Crossrefs

Positions of 3's in A361462.

Cf. A135504, A135506, A361461, A361463 (characteristic function).

Sequence in context: A116001 A111617 A315359 * A344882 A344975 A315360

Adjacent sequences: A361461 A361462 A361463 * A361465 A361466 A361467

Keyword

nonn

Author

Antti Karttunen, Mar 14 2023

Status

approved