OFFSET
1,2
PROG
(PARI)
{rT(m) = ceil((sqrt(8*m+1)-1)/2)}
{T(n) = (n*(n+1))/2}
m=1; for(n=2, 50, k=rT((m%10)*10^(n-1)); while(T(k)%10==0, k++); m=T(k); print1(" ", k)) \\ Max Alekseyev, Feb 15 2005
CROSSREFS
KEYWORD
base,nonn,changed
AUTHOR
Amarnath Murthy, Nov 02 2002
EXTENSIONS
Corrected and extended by Max Alekseyev, Feb 15 2005.
a(25) and a(26) added by Robert C. Lyons, Nov 16 2024.
STATUS
approved