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A153022
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Numbers n such that 1 plus the sum of squares of the first n primes is divisible by n+1.
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2
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6, 10, 150, 238, 56824, 665460, 18468766, 193274008, 635705422, 790546908, 33256634229, 66874977806, 68066767730
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OFFSET
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1,1
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COMMENTS
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LINKS
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FORMULA
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EXAMPLE
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1 plus the sum of squares of the first 6 primes: (1 + 2^2 + 3^2 + ... + 13^2)/7 = 54, thus 6 is an element of the sequence.
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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