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Numbers k such that A065608(k) = A065608(k+1).
1

%I #13 Jun 18 2018 03:34:30

%S 4,14,117,1334,1634,2685,14282,33998,42818,64665,84134,109214,122073,

%T 166934,172286,180213,289454,383594,405441,440013,443402,544334,

%U 605985,649154,655005,792855,1642154,2284814,2305557,2913105,3571905,3682622

%N Numbers k such that A065608(k) = A065608(k+1).

%H Harry J. Smith, <a href="/A065062/b065062.txt">Table of n, a(n) for n = 1..80</a>

%o (PARI) { n=0; x=0; for (m=1, 10^9, p=x; x=sigma(m + 1) - numdiv(m + 1); if (x == p, write("b065062.txt", n++, " ", m); if (n==100, return)) ) } \\ _Harry J. Smith_, Oct 05 2009

%K nonn

%O 1,1

%A _Jason Earls_, Nov 06 2001

%E More terms from _David Wasserman_, Aug 21 2002

%E a(31)-a(32) from _Harry J. Smith_, Oct 05 2009