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A064431 Numbers n such that |A053222(n)| = tau(n). 0
6, 21, 38, 44, 45, 81, 164, 261, 278, 4388, 9009, 114302, 41623514, 440169957, 19033618221, 175036435525, 341846222877 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..17.

PROG

(PARI) t(n) = abs(sigma(n+1)-sigma(n)) for(n=1, 10^6, if(t(n)==numdiv(n), print(n)))

CROSSREFS

Sequence in context: A284988 A056488 A031042 * A031094 A007339 A225150

Adjacent sequences:  A064428 A064429 A064430 * A064432 A064433 A064434

KEYWORD

more,nonn

AUTHOR

Jason Earls, Sep 30 2001

EXTENSIONS

a(13)-a(17) from Giovanni Resta, Feb 08 2014

STATUS

approved

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Last modified August 23 00:23 EDT 2019. Contains 326211 sequences. (Running on oeis4.)