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

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

1,2

Links

Table of n, a(n) for n=1..35.

Example

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.

Crossrefs

Cf. A001414.

Sequence in context: A221120 A203370 A232344 * A220552 A275053 A028451

Adjacent sequences: A074050 A074051 A074052 * A074054 A074055 A074056

Keyword

nonn

Author

Jason Earls, Sep 15 2002

Status

approved