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A249822 as a triangular array

1
21
321
4321
55321
649321
78414321
8612428321
914521436321
101342533457321
11111792545467321
1271933305563493321
1323625394555804139321
149596436194451164154321
1517714465270123851484210321

A249822 as a square array

123456789101112131415
1235486141311723917
123941254217196597
1231442159233256144
12328433530539436
1233644554556152
12357463594470
1236748051238
1239341165
1231394148
1231544
123210
123
12
1

A249822 as an upper right triangle

123456789101112131415
1235486141311723917
123941254217196597
1231442159233256144
12328433530539436
1233644554556152
12357463594470
1236748051238
1239341165
1231394148
1231544
123210
123
12
1

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Last modified February 20 13:56 EST 2020. Contains 332078 sequences. (Running on oeis4.)