A119067 Triangular numbers composed of digits {0,3,8}.

3, 300, 3003, 8038803003, 80830838088000, 8330808803003880083880, 3033038080383000888388003003, 8038308338833030088338388883003, 830303888083308003388388830000003

Offset

1,1

Comments

a(10) > 10^43. - Tyler Busby, Mar 28 2023

Links

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

Giovanni Resta, Tridigital Triangular Numbers.

Formula

a(n) = A000217(A119068(n)). - Tyler Busby, Mar 28 2023

Crossrefs

Cf. A000217, A119068. See A119033 for a table of cross-references.

Sequence in context: A119069 A119059 A119049 * A226500 A052505 A307020

Adjacent sequences: A119064 A119065 A119066 * A119068 A119069 A119070

Keyword

nonn,base,more

Author

Giovanni Resta, May 10 2006

Extensions

One more term from Max Alekseyev, Mar 09 2009

Status

approved