login

A067138 as a triangular array

0
00
010
0220
03430
046640
0587850
061012121060
07121516151270
0814142020141480
091615242124151690
0101824283030282418100
0112027323128

A067138 as a square array

0000000000000
01234567891011
02468101214161820
0367121514152427
048121620242832
05101520213031
061214243028
07141528
081624
0918
010
0
0000000000000
01234567891011
02468101214161820
0367121514152427
048121620242832
05101520213031
061214243028
07141528
081624
0918
010
0