1,2

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

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

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

Cf. A068873, A073620, A073621.

Sequence in context: A281067 A070974 A300022 * A302429 A292999 A216047

Adjacent sequences: A073616 A073617 A073618 * A073620 A073621 A073622

nonn

Amarnath Murthy, Aug 07 2002

More terms from Sascha Kurz, Feb 03 2003

approved