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A119193
Numbers k such that the k-th triangular number contains only digits {3,5,9}.
2
2, 10, 34, 109, 8189, 108989, 4470645, 32727845, 1095073836189, 1091781620649419010
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
Table of n, a(n) for n=1..10.
G. Resta, Tridigital Triangular Numbers
CROSSREFS
Cf. A000217, A119192. See A119034 for a table of cross-references.
Sequence in context: A196969 A351551 A351550 * A124634 A306099 A192378
Adjacent sequences: A119190 A119191 A119192 * A119194 A119195 A119196
KEYWORD
nonn,base,more
AUTHOR
Giovanni Resta, May 10 2006
EXTENSIONS
a(10) from Max Alekseyev, May 21 2011
STATUS
approved

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Last modified November 17 00:01 EST 2024. Contains 377807 sequences.
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