login
A338723
Alternating row sums in triangle A338721.
3
1, 3, 4, 6, 6, 9, 9, 11, 13, 14, 14, 18, 18, 18, 21, 23, 23, 25, 25, 29, 30, 30, 30, 34, 36, 36, 36, 39, 39, 43, 43, 45, 45, 45, 49, 52, 52, 52, 52, 56, 56, 60, 60, 60, 63, 63, 63, 67, 69, 71, 71, 71, 71, 75, 76, 80, 80, 80, 80, 84, 84, 84, 88, 90, 90, 93, 93
OFFSET
1,2
LINKS
CROSSREFS
Sequence in context: A033095 A158907 A338281 * A175708 A373709 A023830
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Nov 30 2020
EXTENSIONS
More terms from Alois P. Heinz, Nov 30 2020
STATUS
approved