OFFSET
1,2
COMMENTS
The sequence of alternating row sums of A257232 gives one times 1, seven times 2, 6 times 3, six times 4, four times 5, etc., in this order.
Is a(n) = A067970(n-2), n>=3 ? - R. J. Mathar, Apr 24 2015
FORMULA
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Wolfdieter Lang, Apr 19 2015
STATUS
approved