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A180624
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Partials sums of A090615.
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0
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1264460, 3379784, 6164364, 11102500, 18271604, 36320580, 54976960, 83135125, 129857825, 210986457, 385264277, 594788487, 924792067, 1423007483, 2659409715, 4458691045, 6846467595, 9563962830, 12443660134, 16149431959
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OFFSET
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1,1
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COMMENTS
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Partials sums of smallest member of sociable quadruples. Primes in this partial sum begin: 924792067, 16149431959.
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LINKS
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FORMULA
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EXAMPLE
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a(13) = 1264460 + 2115324 + 2784580 + 4938136 + 7169104 + 18048976 + 18656380 + 28158165 + 46722700 + 81128632 + 174277820 + 209524210 + 330003580 = 924792067 is prime.
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CROSSREFS
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KEYWORD
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nonn,less
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AUTHOR
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STATUS
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approved
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