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A119068 Numbers k such that the k-th triangular number contains only digits {0,3,8}. 2
2, 24, 77, 126797, 12714624, 129079888464, 77885018846797, 4009565647007922, 40750555532000002 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Next term exceeds 1.4*10^17.

LINKS

Table of n, a(n) for n=1..9.

G. Resta, Tridigital Triangular Numbers

CROSSREFS

Cf. A000217, A119067. See A119034 for a table of cross-references.

Sequence in context: A195189 A119060 A119050 * A068379 A136280 A123831

Adjacent sequences:  A119065 A119066 A119067 * A119069 A119070 A119071

KEYWORD

nonn,base,more

AUTHOR

Giovanni Resta, May 10 2006

EXTENSIONS

One more term from Max Alekseyev, Mar 09 2009

STATUS

approved

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Last modified May 24 17:23 EDT 2022. Contains 354042 sequences. (Running on oeis4.)