0,2
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
Cf. A129398.
Sequence in context: A106525 A103510 A130730 this_sequence A116152 A108687 A038301
Adjacent sequences: A129396 A129397 A129398 this_sequence A129400 A129401 A129402
sign
Jonas Wallgren (jonwa(AT)ida.liu.se), Apr 13 2007
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