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

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

Offset: 1

Author

Giovanni Resta, May 10 2006

Keywords

• nonn
• base
• more

Comments

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

Links

• Giovanni Resta, Tridigital Triangular Numbers.

Crossrefs

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

Formula

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

Extensions

One more term from Max Alekseyev, Mar 09 2009