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A098158 as a triangular array

1
01
011
0031
00161
0005101
000115151
0000735211
000012870281
00000984126361
00000145210210451
00000011165462330551
000000166495924

A098158 as a square array

1000000000000
110000000000
13100000000
1651000000
11015710000
11535289100
121708445111
12812621016566
136210462495
145330924
155
1
1000000000000
110000000000
13100000000
1651000000
11015710000
11535289100
121708445111
12812621016566
136210462495
145330924
155
1