A241792 Triangular numbers which have one or more occurrences of exactly nine different digits.

102738945, 120784653, 120893475, 124875306, 126794850, 129854670, 137904528, 142087653, 143287056, 147069825, 149826705, 152783940, 153694278, 160249753, 162495378, 168370425, 173249805, 189725460, 192540876, 193405278, 197438256, 207193546, 230469715

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