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A063750
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Number of divisors of the Demlo numbers: d(A002477(n)).
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1
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1, 3, 9, 9, 9, 243, 9, 81, 45, 81, 9, 2187, 27, 81, 729, 729, 9, 10935, 3, 2187, 2187, 1215, 3, 59049, 243, 729, 567, 6561, 243, 1594323, 27, 177147, 729, 729, 2187, 295245, 27, 27, 729, 177147, 81, 7971615, 81, 98415, 32805, 729
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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LINKS
| Harry J. Smith, Table of n, a(n) for n=0,...,80
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PROG
| (PARI) j=[]; for(n=0, 45, j=concat(j, numdiv( ((10^(n+1)-1)/9)^2) )); j
(PARI) { for (n=0, 80, a=numdiv(((10^(n + 1) - 1)/9)^2); write("b063750.txt", n, " ", a) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Aug 29 2009]
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CROSSREFS
| Cf. A002477.
Sequence in context: A100401 A004166 A110759 * A143225 A203600 A099720
Adjacent sequences: A063747 A063748 A063749 * A063751 A063752 A063753
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KEYWORD
| nonn
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AUTHOR
| Jason Earls (zevi_35711(AT)yahoo.com), Aug 11 2001
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