1,1

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

G. Resta, Tridigital Triangular Numbers

Cf. A000217, A119166. See A119034 for a table of cross-references.

Sequence in context: A044197 A044578 A103434 this_sequence A027778 A026969 A026979

Adjacent sequences: A119164 A119165 A119166 this_sequence A119168 A119169 A119170

nonn,base,more

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