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Search: id:A025530
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| A025530 |
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(1/1 - 1/2 + ... + d/n)*LCM{1,2,...,n}, where d = (-1)^(n-1). |
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3
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| 1, 1, 5, 7, 47, 37, 319, 533, 1879, 1627, 20417, 18107, 263111, 237371, 261395, 477745, 8842385, 8161705, 167324635, 155685007, 166770367, 156188887, 3825136961, 3602044091, 19081066231, 18051406831, 57128792093, 54260455193, 1653866633797
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