A369666 Numbers k > 1 for which A276085(A003415(k)) == k (mod 4), where A003415 is the arithmetic derivative, and A276085 is the primorial base log-function.

6, 8, 10, 12, 15, 22, 24, 30, 34, 40, 42, 50, 56, 58, 60, 64, 65, 66, 70, 77, 78, 82, 84, 86, 104, 112, 114, 118, 120, 122, 126, 128, 130, 132, 136, 140, 141, 142, 146, 152, 154, 161, 168, 174, 180, 182, 184, 185, 188, 189, 194, 196, 201, 202, 204, 206, 209, 214, 220, 221, 222, 228, 230, 232, 236, 238, 242, 246, 250

Offset: 1

Author

Antti Karttunen, Feb 06 2024

Keywords

• nonn

Links

• Antti Karttunen, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A003415, A276085, A369665 (characteristic function).

Cf. A369663 and A369664 (subsequences).

Cf. also A351228.

Programs

PARI

\\ See A369665.