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A119192 Triangular numbers composed of digits {3,5,9}. 2
3, 55, 595, 5995, 33533955, 5939355555, 9993335593335, 535555935535935, 599593353353393939939955, 595993553593935939553359535599399555 (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

FORMULA

a(n) = A000217(A119193(n))

CROSSREFS

Cf. A000217, A119193. See A119033 for a table of cross-references.

Sequence in context: A119061 A197094 A156379 * A103134 A235534 A300992

Adjacent sequences: A119189 A119190 A119191 * A119193 A119194 A119195

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 February 7 07:00 EST 2023. Contains 360112 sequences. (Running on oeis4.)