Numbers which can not be expressed as the sum of distinct triangular numbers.

Jud McCranie j.mccranie at adelphia.net
Sun Jul 23 22:25:28 CEST 2006


At 03:25 PM 7/23/2006, Tanya Khovanova wrote:
>I've found two sequences of those:
>
>A066614                 Numbers which can not be expressed as the sum of 
>distinct triangular numbers.
>
>         2, 5, 8, 12, 20, 23, 33
>
>and
>
>A053614                 Numbers that are not the sum of triangular 
>numbers.
>
>         2, 5, 8, 12, 23, 33
>
>BTW 20 = 1+3+6+10.

Yes, A66614 is an incorrect version of A53614.








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