**Triangle read by rows: SM(n,m) is the number of symmetric 0-1 matrices of order n such that the total number of 1's is m (n >= 1, 0 <= m <= n^2).**

*1, 1, 1, 2, 2, 2, 1, 1, 3, 6, 10, 12, 12, 10, 6, 3, 1, 1, 4, 12, 28, 52, 84, 116, 140, 150*

*3 seqfan posts*

Index of A-numbers in seqfan: by ascending order by month by frequency by keyword

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