
12, 18, 24, 31, 32, 42, 48, 54, 56, 60, 72, 80, 84, 90, 96, 98, 104, 108, 114, 120, 126, 128, 132, 140, 144, 152, 156, 168, 180, 182, 186, 192, 210, 216, 224, 228, 234, 240, 248, 252, 264, 270, 272, 280, 288, 294, 308, 312, 320, 324, 336, 342, 360, 372, 384
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OFFSET

1,1


COMMENTS

The first n of the form n = 6m1 in this sequence is 86831.
What can be said about the asymptotic distribution of this set? If f(x) is the count of members not exceeding x, how does f behave as x tends to infinity?


LINKS

Giovanni Resta, Table of n, a(n) for n = 1..10000
Mathematics Stack Exchange, A number n which is the sum of all numbers k with sigma(k)=n?


PROG

(PARI) is_a(n)=sum(k=1, n, if(sigma(k)==n, k))>n


CROSSREFS

Cf. A258913, A000203, A085790.
Sequence in context: A341475 A091013 A159886 * A241646 A181941 A206449
Adjacent sequences: A258911 A258912 A258913 * A258915 A258916 A258917


KEYWORD

nonn


AUTHOR

Jeppe Stig Nielsen, Jun 14 2015


STATUS

approved

