

A203924


Indices of terms which appear at least twice already earlier in A061205.


3



372, 441, 483, 492, 651, 672, 861, 2412, 2532, 2652, 3162, 3472, 3612, 3720, 3732, 3782, 3852, 3913, 3972, 4053, 4182, 4221, 4263, 4410, 4431, 4473, 4592, 4623, 4641, 4683, 4704, 4812, 4824, 4830, 4851, 4853, 4893, 4920, 4932, 4944, 6132, 6174, 6231, 6293
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OFFSET

1,1


COMMENTS

Motivated by a question from Franklin T. AdamsWatters, cf. link.


LINKS



EXAMPLE



PROG

(PARI) seen=dupe=[]; for(n=0, 999999, setsearch(seen, t=A061205(n))  !(seen=setunion(seen, Set(t)))  next; setsearch(dupe, t) & (print1(n", ")next); dupe=setunion(dupe, Set(t)))


CROSSREFS



KEYWORD

nonn,base


AUTHOR



EXTENSIONS



STATUS

approved



