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A119152
Triangular numbers composed of digits {2,3,5}.
2
3, 55, 253, 325, 5253, 255255, 2235555, 2355535, 3252525, 222552253, 225323523253, 33533553332223253, 523355323323222253, 252235353552533225335, 22323332525535322225335, 223533355523232355353232325353525335
OFFSET
1,1
COMMENTS
a(17) > 10^40. - Tyler Busby, Mar 28 2023
FORMULA
a(n) = A000217(A119153(n)). - Tyler Busby, Mar 28 2023
CROSSREFS
Cf. A000217, A053919, A119153. See A119033 for a table of cross-references.
Sequence in context: A268661 A041155 A111483 * A119061 A197094 A156379
KEYWORD
nonn,base
AUTHOR
Giovanni Resta, May 10 2006
EXTENSIONS
a(16) from Tyler Busby, Mar 28 2023
STATUS
approved