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A086484
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Let k be the largest number such that n is a k-th power; then m is the least positive number such that m+n is a (k+1)th power.
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0
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2, 1, 4, 4, 3, 2, 8, 18, 6, 5, 4, 3, 2, 1, 16, 8, 7, 6, 5, 4, 3, 2, 1, 2, 10, 54, 8, 7, 6, 5, 32, 3, 2, 1, 28, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 64, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 162, 18, 17, 16, 15, 14, 13, 12, 11, 10
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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PROG
| (PARI) for (n = 2, 100, f = factor(n); g = f[1, 2]; for (i = 2, matsize(f)[1], g = gcd(g, f[i, 2])); x = sqrtn(n, g+1); print(round(ceil(x))^(g + 1) - n)); (Wasserman)
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CROSSREFS
| Sequence in context: A095830 A193915 A101621 * A091335 A140946 A008741
Adjacent sequences: A086481 A086482 A086483 * A086485 A086486 A086487
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KEYWORD
| nonn
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AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jul 26 2003
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EXTENSIONS
| More terms from David Wasserman (wasserma(AT)spawar.navy.mil), Mar 07 2005
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