login
A129399
Level sums of A129398.
1
1, 9, -11, 33
OFFSET
0,2
EXAMPLE
a(2)=-11 because it is the sum of all elements for h=2 in A129398:
.....1
..1.-3..1
1.-3.-7.-3..1
..1..3..1
.....1
CROSSREFS
Cf. A129398.
Sequence in context: A276406 A130730 A153697 * A145790 A345109 A143465
KEYWORD
sign
AUTHOR
Jonas Wallgren, Apr 13 2007
STATUS
approved