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A178532 Partial sums of problimes (third definition, A003068). 1
2, 6, 13, 24, 39, 58, 81, 109, 142, 180, 223, 271, 324, 382, 445, 513, 586, 665, 750, 841, 938, 1041, 1150, 1265, 1386, 1513, 1646, 1785, 1930, 2081, 2238, 2401, 2570, 2745, 2926, 3113, 3306, 3505, 3710, 3921, 4138, 4362, 4593, 4831, 5076 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The subsequence of prime partial sums of problimes begins: 2, 13, 109, 223, 271, 2081, 4831, 8233.

The subsequence of problime partial sums of problimes begins: 2, 58, 109.

LINKS

Table of n, a(n) for n=1..45.

FORMULA

SUM[i=1..n] A003068(i).

EXAMPLE

a(12) = 2 + 4 + 7 + 11 + 15 + 19 + 23 + 28 + 33 + 38 + 43 + 48 = 271 is prime.

CROSSREFS

Cf. A003068, A007504, A013918.

Sequence in context: A180773 A011891 A184533 * A003600 A283551 A000135

Adjacent sequences:  A178529 A178530 A178531 * A178533 A178534 A178535

KEYWORD

nonn,easy

AUTHOR

Jonathan Vos Post, Dec 28 2010

STATUS

approved

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Last modified October 14 05:08 EDT 2019. Contains 327995 sequences. (Running on oeis4.)