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A141418 as a triangular array

0
11
233
3566
4791010
5912141515
6111518202121
713182225272828
81521263033353636
9172430353942444545

A141418 as a square array

0123456789
1357911131517
3691215182124
6101418222630
101520253035
1521273339
21283542
283644
3645
45
0123456789
1357911131517
3691215182124
6101418222630
101520253035
1521273339
21283542
283644
3645
45