cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A074053 Numbers n such that A001414(n) = sum of composites from the smallest prime factor of n to the largest prime factor of n.

Original entry on oeis.org

1, 21, 5324, 9625, 12705, 13552, 15246, 18150, 19360, 21780, 22638, 23232, 26136, 26950, 29403, 32340, 34496, 38500, 38808, 39325, 41405, 43659, 46137, 46200, 49280, 51909, 51975, 55000, 55440, 59136, 61875, 62370, 65910, 66000, 66528
Offset: 1

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Author

Jason Earls, Sep 15 2002

Keywords

Examples

			Sum of primes dividing 5324 with repetition is: 2+2+11+11+11 = 37 and sum of composites between 2 and 11 is 4+6+8+9+10 = 37.
		

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