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A073619 a(1) = 0; a(n) = smallest composite number which is a sum of n distinct primes. 4
0, 8, 10, 21, 28, 45, 58, 77, 100, 129, 160, 201, 238, 285, 328, 381, 440, 501, 568, 639, 712, 791, 874, 963, 1060, 1161, 1264, 1371, 1480, 1593, 1720, 1851, 1988, 2127, 2276, 2427, 2584, 2747, 2914, 3087, 3266, 3447, 3638, 3831, 4028, 4227, 4438, 4661, 4888 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..49.

FORMULA

Min(a(n), A068873(n)) = A007504(n) for n > 1. - Jonathan Sondow, Jul 10 2012

EXAMPLE

a(4) = 21 as 21 = 2+3+5+11 is the smallest composite number expressible as sum of four distinct primes.

CROSSREFS

Cf. A068873, A073620, A073621.

Sequence in context: A230862 A281067 A070974 * A216047 A032488 A102844

Adjacent sequences:  A073616 A073617 A073618 * A073620 A073621 A073622

KEYWORD

nonn

AUTHOR

Amarnath Murthy, Aug 07 2002

EXTENSIONS

More terms from Sascha Kurz, Feb 03 2003

STATUS

approved

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Last modified May 28 17:57 EDT 2017. Contains 287241 sequences.