OFFSET
1,2
LINKS
Jason Bard, Table of n, a(n) for n = 1..200
MATHEMATICA
(1/3) * With[{nn = 200}, FromDigits[Flatten[IntegerDigits[#]]] & /@ (Reverse /@ TakeList[Range[0, (nn (nn + 1))/2], Range[nn]])] (* Jason Bard, Nov 20 2025 *)
CROSSREFS
KEYWORD
base,easy,nonn
AUTHOR
Amarnath Murthy, Mar 11 2003
EXTENSIONS
Corrected and extended by Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 06 2003
STATUS
approved