OFFSET
1,1
EXAMPLE
11 is a term as 1711 is a triangular number. 13 is not as no triangular number is of the form 100k + 13.
CROSSREFS
KEYWORD
base,easy,nonn
AUTHOR
Amarnath Murthy, Feb 21 2002
EXTENSIONS
More terms from Sascha Kurz, Apr 03 2002
Offset changed by Andrew Howroyd, Sep 21 2024
STATUS
approved