References to A211318

Triangle read by rows: number of permutations of 1..n by length l of longest run (n >= 1, 1 <= l <= n).
1, 0, 2, 0, 4, 2, 0, 10, 12, 2, 0, 32, 70, 16, 2, 0, 122, 442, 134, 20, 2, 0, 544, 3108

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