OFFSET
0,25
LINKS
Paolo Xausa, Table of n, a(n) for n = 0..10000
EXAMPLE
tri(4)=10, so a(4)=1 and tri(24)=300, so a(24)=2.
MATHEMATICA
DigitCount[Accumulate[Range[0, 100]], 10, 0] (* Paolo Xausa, May 05 2024 *)
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Jason Earls, Jul 08 2003
STATUS
approved