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A119055 Triangular numbers composed of digits {0,2,8}. 2
28, 820, 2080, 80200, 200028, 828828, 8002000, 800020000, 8028028828, 22002880200, 80000200000, 208808222028, 220028220028, 8000002000000, 800000020000000, 2880222880828800, 22822222802022028, 80000000200000000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..18.

G. Resta, Tridigital Triangular Numbers

CROSSREFS

Cf. A000217, A119056. See A119033 for a table of cross-references.

Sequence in context: A042514 A158659 A214133 * A278195 A095656 A057412

Adjacent sequences:  A119052 A119053 A119054 * A119056 A119057 A119058

KEYWORD

nonn,base

AUTHOR

Giovanni Resta, May 10 2006

STATUS

approved

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Last modified February 21 15:34 EST 2019. Contains 320374 sequences. (Running on oeis4.)