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1, 2, 4, 9, 14, 30, 37, 87, 121, 166, 174, 475, 484, 547, 651, 2605, 2615, 3598, 3606, 4723, 4887, 4946, 4953, 29953, 30164, 30260, 32652, 34506, 34514, 40226, 40238, 2841562, 2841724, 2841839, 2842246, 2963525, 2963536, 2963612, 2963918, 3279760, 3279770, 3289261, 3289271, 3291384, 3302307, 3302363, 3302369
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OFFSET
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1,2
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COMMENTS
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Partial sums of number of transitive permutation groups of degree n. The subsequence of primes in this partial sum begins: 2, 37, 547, 4723. The subsequence of squares in this partial sum begins: 1, 4, 9, 121, 484.
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LINKS
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FORMULA
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MATHEMATICA
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CROSSREFS
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KEYWORD
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nonn,hard
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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