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A071633
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Number of terms in the set InvPhi(65536*p(n)), where p(n) is the n-th prime.
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0
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19, 82, 59, 46, 56, 34, 26, 20, 31, 52, 10, 56, 24, 34, 0, 30, 20, 20, 32, 37, 32, 24, 30, 37, 34, 24, 2, 26, 16, 35, 22, 46, 15, 20, 38, 14, 20, 58, 11, 22, 42, 24, 33, 46, 3, 20, 0, 18, 10, 12, 44, 56, 0, 29, 8, 0, 31, 14, 38, 44, 0, 30, 28, 9, 24, 18, 30, 34, 29, 8, 0, 50, 6
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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EXAMPLE
| invphi(65536*103)={6750209,13500418}, so a(27)=2; observe that a(15)=0 because 47 needs very large 2^i multiplier (instead of 65536) to give non-empty InvPhi set.
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MAPLE
| >[seq(nops(invphi(65536*ithprime(i))), i=1..128)];
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CROSSREFS
| Cf. A000010, A005277, A007617, A058888, A002202, A071629-A071634.
Sequence in context: A053665 A050522 A172973 * A044206 A044587 A142042
Adjacent sequences: A071630 A071631 A071632 * A071634 A071635 A071636
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KEYWORD
| nonn
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AUTHOR
| Labos E. (labos(AT)ana.sote.hu), May 30 2002
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