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A143349 as a triangular array

1
2-1
3-1-1
4-2-10
5-2-10-1
6-3-20-11
7-3-20-11-1
8-4-20-11-10
9-4-30-11-100
10-5-30-21-1001
11-5-30-21-1001-1
12-6-40-22-1001-10
13-6-40-22-1001-10-1
14-7-40-22-2001-10-11

A143349 as a square array

1234567891011121314
-1-1-2-2-3-3-4-4-5-5-6-6-7
-1-1-1-2-2-2-3-3-3-4-4-4
00000000000
-1-1-1-1-1-2-2-2-2-2
111111222
-1-1-1-1-1-1-1-2
0000000
000000
11111
-1-1-1-1
000
-1-1
1

A143349 as an upper right triangle

1234567891011121314
-1-1-2-2-3-3-4-4-5-5-6-6-7
-1-1-1-2-2-2-3-3-3-4-4-4
00000000000
-1-1-1-1-1-2-2-2-2-2
111111222
-1-1-1-1-1-1-1-2
0000000
000000
11111
-1-1-1-1
000
-1-1
1

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Last modified March 29 08:01 EDT 2024. Contains 371265 sequences. (Running on oeis4.)