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A241792 Triangular numbers which have one or more occurrences of exactly nine different digits. 7
102738945, 120784653, 120893475, 124875306, 126794850, 129854670, 137904528, 142087653, 143287056, 147069825, 149826705, 152783940, 153694278, 160249753, 162495378, 168370425, 173249805, 189725460, 192540876, 193405278, 197438256, 207193546, 230469715 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The first term having a repeated digit is 1004976528.

LINKS

Colin Barker, Table of n, a(n) for n = 1..1500

PROG

(PARI) s=[]; for(n=0, 40000, if(#vecsort(eval(Vec(Str(n*(n+1)/2))), , 8)==9, s=concat(s, n*(n+1)/2))); s

CROSSREFS

Cf. A045914, A062691, A162304, A241787, A241788, A241789, A241790, A241791, A241812.

Cf. A000217.

Sequence in context: A073643 A235161 A235724 * A112717 A114679 A157859

Adjacent sequences:  A241789 A241790 A241791 * A241793 A241794 A241795

KEYWORD

nonn,base

AUTHOR

Colin Barker, Apr 28 2014

STATUS

approved

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Last modified June 24 18:46 EDT 2021. Contains 345419 sequences. (Running on oeis4.)