

A276766


a(n) = smallest nonnegative integer not yet in the sequence with no repeated digits and no digits in common with a(n1), starting with a(0)=0.


3



0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 23, 14, 20, 13, 24, 15, 26, 17, 25, 16, 27, 18, 29, 30, 12, 34, 19, 28, 31, 40, 21, 35, 41, 32, 45, 36, 42, 37, 46, 38, 47, 39, 48, 50, 43, 51, 49, 52, 60, 53, 61, 54, 62, 57, 63, 58, 64, 59, 67, 80, 56, 70, 65, 71, 68, 72, 69, 73, 81, 74, 82, 75
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OFFSET

0,3


COMMENTS

The author of this sequence is Rodolfo Kurchan, who mentioned this sequence in a Facebook Group "Series", cf. link.
The sequence is finite, with last term a(5274) = 78642.  M. F. Hasler, Sep 17 2016


LINKS

M. F. Hasler, Table of n, a(n) for n = 0..5274 (All terms)
Rodolfo Kurchan, Post in Facebook Group "Series".


PROG

(PARI) {u=[]; (t(k)=if(#Set(k=digits(k))==#k, k)); a=1; for(n=1, 99, print1(a", "); u=setunion(u, [a]); t(u[1])u[1]++; while(#u>1&&u[2]<=u[1]+1, u=u[^1]); for(k=u[1]+1, 9e9, setsearch(u, k)&&next; (d=t(k))&& !#setintersect(Set(digits(a)), Set(d))&&(a=k)&&next(2))); a} \\ M. F. Hasler, Sep 17 2016


CROSSREFS

Cf. A054659, A067581, A276633, A276512.
Sequence in context: A179310 A114806 A239664 * A331215 A039229 A054659
Adjacent sequences: A276763 A276764 A276765 * A276767 A276768 A276769


KEYWORD

nonn,base,fini,full


AUTHOR

Claudio Meller, Sep 17 2016


EXTENSIONS

Edited by M. F. Hasler, Sep 17 2016


STATUS

approved



