1,1

Next entry must be greater than 1.4*10^16.

G. Resta, Tridigital Triangular Numbers

Cf. A000217, A119214. See A119034 for a table of cross-references.

Adjacent sequences: A119212 A119213 A119214 this_sequence A119216 A119217 A119218

Sequence in context: A003554 A003523 A018781 this_sequence A057172 A071568 A093406

nonn,base,more

Giovanni Resta (g.resta(AT)iit.cnr.it), May 10 2006