1,1

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

G. Resta, Tridigital Triangular Numbers

Cf. A000217, A119180. See A119034 for a table of cross-references.

Sequence in context: A101072 A144927 A159994 this_sequence A152518 A145451 A144676

Adjacent sequences: A119178 A119179 A119180 this_sequence A119182 A119183 A119184

nonn,base,more

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