OFFSET
1,2
EXAMPLE
Triangle begins:
1
2 3
3 7 29
4 9 289 332929...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Amarnath Murthy, Jan 04 2006
EXTENSIONS
Corrected and extended by Joshua Zucker, May 07 2006
a(32) from Max Alekseyev, Feb 13 2012
STATUS
approved