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3, 4, 2, 1, 3, 1224, 551, 1, 697, 66, 60, 31, 12, 7, 24641820, 3343240, 122610, 134, 4, 101, 80, 1, 979, 518, 1414
(list; graph; refs; listen; history; internal format)
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OFFSET
| 2,1
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COMMENTS
| All terms are integer since for n>1, p = A000040(n) divides (A128677(n)-1)/2.
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FORMULA
| a(n) = (A128677(n) - 1)/2/A000040(n).
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EXAMPLE
| a(2) = (A128677(2) - 1)/2/A000040(2) = (19 - 1)/2/3 = 3.
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CROSSREFS
| Cf. A128677, A127263, A128678, A128679, A128680, A128681, A128682, A128683, A128684, A128685.
Sequence in context: A145425 A201909 A070352 * A081246 A096411 A205786
Adjacent sequences: A136371 A136372 A136373 * A136375 A136376 A136377
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KEYWORD
| more,nonn
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AUTHOR
| Alexander Adamchuk (alex(AT)kolmogorov.com), Dec 27 2007
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EXTENSIONS
| a(16)-a(26) from Max Alekseyev (maxale(AT)gmail.com), May 14 2010
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