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A063069
phi(n)-d(n) = phi(n+1)-d(n+1) where d(n) is the number of divisors function.
+0
1
45, 104, 345, 3255, 17534, 22935, 70634, 983775, 1025504, 1156701, 2200694, 2619705, 2745765, 4163355, 4447064, 4695704, 6372794, 9718904, 11903775, 23992215, 26879684, 29357475, 37239735, 40588485, 41207144, 42694197
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.
AT&T Labs Research
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