A074055 Numbers k such that A074037(k) = A002034(k).

350, 525, 700, 1050, 1400, 1575, 1792, 2100, 2800, 3150, 4200, 4725, 5376, 5600, 6300, 6655, 8400, 8960, 9450, 11200, 12600, 14175, 15379, 16128, 16800, 18900, 22400, 25200, 26880, 28350, 33275, 33600, 37800, 44800, 46585, 48384, 50400, 56700, 67200, 75600

Offset: 1

Author

Jason Earls, Sep 15 2002

Keywords

• nonn

Comments

Numbers k such that sum of composites between smallest prime factor of k and largest prime factor of k is the Kempner function A002034(k).

Examples

			A002034(350) = 10 and 350 = 2*5*5*7, so sum of composites between 2 and 7 = 4+6 = 10.
		

Links

• Sean A. Irvine, Table of n, a(n) for n = 1..50 [42 (non-contiguous) terms from Paul Richards]

Crossrefs

Cf. A002034, A074037.

Extensions

More terms from Paul Richards, Sep 20 2007

Missing terms inserted by Sean A. Irvine, Jan 07 2025