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A077457
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sigma(n^4,4)/sigma(n^4,2).
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0
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1, 205, 5905, 52429, 375601, 1210525, 5649505, 13421773, 38742049, 76998205, 212601841, 309593245, 810932305, 1158148525, 2217923905, 3435973837, 6951703105, 7942120045, 16936647121, 19692384829, 33360327025, 43583377405
(list; graph; refs; listen; history; internal format)
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