A373847 Numbers k for which A373842(k) <= k, where A373842 is the arithmetic derivative of the primorial base log-function.

1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 22, 24, 25, 26, 27, 30, 32, 36, 40, 42, 45, 48, 50, 54, 56, 60, 63, 64, 70, 72, 74, 75, 80, 81, 84, 88, 90, 96, 98, 100, 105, 108, 110, 112, 120, 125, 126, 128, 132, 135, 140, 144, 147, 150, 154, 160, 162, 165, 168, 175, 176, 180, 182, 189, 192, 196, 198, 200, 210

Offset: 1

Author

Antti Karttunen, Jun 20 2024

Keywords

• nonn

Crossrefs

Cf. A373842.

Subsequences: A373846, A373848.

Programs

PARI

isA373847(n) = (A373842(n)<=n);