OFFSET
1,3
EXAMPLE
The triangle starts with:
n=1: 1
n=2: 1, 2
n=3: 2, 6, 10
n=4: 3, 9, 19, 43
n=5: 5, 15, 29, 39, 53
n=6: 5, 15, 29, 39, 53, 173
n=7: 5, 39, 53, 111, 173, 237, 293
n=8: 7, 35, 67, 151, 211, 215, 547, 607
n=9: 5, 29, 113, 269, 353, 449, 509, 634, 1613
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Max Alekseyev, Feb 22 2012
EXTENSIONS
More terms from Sean A. Irvine, Sep 21 2022
STATUS
approved