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A286159 as a triangular array

1
13
146
14310
148715
1483621
1481371128
148133121036
1481319761645
1481319312111555
148131926718172266
1481319263126102178
1481319263471811162991
1481319263431225172328105

A286159 as a square array

11111111111111
3444444444444
638888888888
10731313131313131313
15673191919191919
2111127326262626
2810612733434
361611181273
45151761812
5522101125
66211617
782923
9128
105
11111111111111
3444444444444
638888888888
10731313131313131313
15673191919191919
2111127326262626
2810612733434
361611181273
45151761812
5522101125
66211617
782923
9128
105