1,1
G. Resta, Tridigital Triangular Numbers
Cf. A000217, A119186. See A119034 for a table of cross-references.
Sequence in context: A023709 A047474 A005454 this_sequence A008522 A028732 A028751
Adjacent sequences: A119184 A119185 A119186 this_sequence A119188 A119189 A119190
nonn,base
Giovanni Resta (g.resta(AT)iit.cnr.it), May 10 2006
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