1,1

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

G. Resta, Tridigital Triangular Numbers

Cf. A000217, A119232. See A119034 for a table of cross-references.

Sequence in context: A119161 A119211 A119235 this_sequence A069358 A108544 A095088

Adjacent sequences: A119230 A119231 A119232 this_sequence A119234 A119235 A119236

nonn,base,more

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