A064431 - OEIS

A064431

Numbers n such that |A053222(n)| = tau(n).

6, 21, 38, 44, 45, 81, 164, 261, 278, 4388, 9009, 114302, 41623514, 440169957, 19033618221, 175036435525, 341846222877

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OFFSET

1,1

LINKS

PROG

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

CROSSREFS

KEYWORD

more,nonn

AUTHOR

Jason Earls, Sep 30 2001

EXTENSIONS

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

STATUS

approved