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A046285 Numbers k such that the sum of the first k primes is a lucky number. 2
10, 20, 34, 36, 46, 52, 56, 68, 72, 86, 88, 90, 96, 100, 102, 118, 130, 140, 144, 154, 166, 198, 228, 240, 242, 282, 318, 328, 348, 356, 360, 366, 392, 402, 418, 440, 452, 464, 472, 476, 510, 540, 556, 570, 572, 586, 592, 600, 604, 614, 638, 650, 654, 670, 684 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Amiram Eldar, Table of n, a(n) for n = 1..730

MATHEMATICA

lst = Range[1, 1700000, 2]; i = 2; While[ i <= (len = Length@lst) && (k = lst[[i]]) <= len, lst = Drop[lst, {k, len, k}]; i++ ]; lst2 = {}; s = 0; Do[s = s + Prime@n; If[MemberQ[lst, s], Print[n]; AppendTo[lst2, n]], {n, 687}]; lst2 (* Robert G. Wilson v *)

CROSSREFS

Cf. A000959, A007504, A046280.

Sequence in context: A345069 A187712 A130720 * A048030 A048011 A188334

Adjacent sequences:  A046282 A046283 A046284 * A046286 A046287 A046288

KEYWORD

nonn

AUTHOR

Patrick De Geest, Jun 15 1998

EXTENSIONS

More terms from Robert G. Wilson v, May 12 2006

STATUS

approved

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Last modified May 20 01:04 EDT 2022. Contains 353847 sequences. (Running on oeis4.)