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A166732 The indices n such that the largest prime factor of n-th composite is equal sum of all the other prime factors of n-th composite, with multiplicity. 0
1, 4, 15, 19, 33, 50, 60, 90, 129, 224, 227, 244, 288, 354, 400, 428, 429, 485, 528, 598, 677, 694, 730, 798, 810, 864, 977, 1044, 1149, 1181, 1257, 1417, 1419, 1475, 1519, 1565, 1677, 1879, 1891, 2131, 2399, 2545, 2682, 2689, 2872, 2993, 3027, 3034 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..48.

EXAMPLE

The 50th composite is 70 = 2*5*7 and 2+5=7 so a(6)=50.

CROSSREFS

Cf. A001414.

Sequence in context: A308983 A032826 A190709 * A022133 A212921 A225562

Adjacent sequences:  A166729 A166730 A166731 * A166733 A166734 A166735

KEYWORD

nonn

AUTHOR

Juri-Stepan Gerasimov, Oct 20 2009

EXTENSIONS

Definition clarified, sequence corrected and extended by Charles R Greathouse IV, May 27 2011

STATUS

approved

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Last modified September 18 10:11 EDT 2020. Contains 337166 sequences. (Running on oeis4.)