A090700 - OEIS

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A090700

a(n) is the smallest number which is simultaneously a prime, the sum of 2 distinct primes, the sum of 3 distinct primes, ... and the sum of n distinct primes.

2, 5, 19, 31, 43, 61, 103, 103, 139, 151, 199, 229, 283, 313, 421, 421, 523, 523, 643, 661, 811, 811, 1021, 1021, 1231, 1231, 1429, 1429, 1609, 1621, 1873, 1873, 2143, 2239, 2551, 2551, 2791, 2791, 3121, 3121, 3463, 3463, 3853, 3853, 4243, 4261, 4723

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..47.

EXAMPLE

a(5)=43 because 43 = 41 + 2 = 31 + 7 + 5 = 31 + 7 + 3 + 2 = 17 + 11 + 7 + 5 + 3.

CROSSREFS

Sequence in context: A077317 A092946 A374178 * A227632 A105889 A086085

Adjacent sequences: A090697 A090698 A090699 * A090701 A090702 A090703

KEYWORD

nonn