login

A128540 as a triangular array

1
11
022
0033
00055
000088
000001313
0000002121
00000003434
000000005555
0000000008989
0000000000144144

A128540 as a square array

110000000000
12000000000
2300000000
350000000
58000000
81300000
13210000
2134000
345500
55890
89144
144
110000000000
12000000000
2300000000
350000000
58000000
81300000
13210000
2134000
345500
55890
89144
144