OFFSET
1,16
COMMENTS
Each entry is +- an entry in A006498. Each column and each diagonal contains either A006498 or -A006498. For n>2, each row contains an alternating-signed version of a subsequence of A006498, both in forward and reverse order. For n>2 each column contains an alternating-signed version of a contiguous subsequence of A006498 in reverse order.
CROSSREFS
KEYWORD
sign,tabl
AUTHOR
Gerald McGarvey, Jun 02 2005
STATUS
approved