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A062832 Numbers n such that n and n+2 have same number of divisors. 1
3, 5, 6, 8, 11, 17, 18, 29, 33, 40, 41, 50, 54, 55, 59, 71, 85, 91, 93, 101, 102, 107, 123, 128, 136, 137, 141, 143, 149, 152, 159, 179, 182, 183, 184, 185, 191, 197, 198, 201, 203, 213, 215, 217, 219, 227, 230, 235, 239, 242, 243, 246, 247, 248, 265, 269, 281 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

The lesser member of every twin-prime pair occurs in this sequence. Hence A001359 is a subsequence. - T. D. Noe, Sep 17 2007

LINKS

T. D. Noe, Table of n, a(n) for n=1..1000

PROG

(PARI) je=[]; for(n=1, 1000, a=numdiv(n); b=numdiv(n+2); if(a==b, je=concat(je, n))); je

CROSSREFS

Sequence in context: A047444 A160734 A121501 * A089085 A033163 A039869

Adjacent sequences:  A062829 A062830 A062831 * A062833 A062834 A062835

KEYWORD

nonn

AUTHOR

Jason Earls (zevi_35711(AT)yahoo.com), Jul 20 2001

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Last modified February 16 06:26 EST 2012. Contains 205860 sequences.