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A300358 as a triangular array

1
22
222
2222
34343
444444
4456544
46688664
567898765
66810101010866
6891212121212986
68101214141414121086
7811141516151615141187

A300358 as a square array

1222344456667
222444666888
2234567891011
24468810121214
3458910121415
446810121416
46710121415
468121416
5691215
681014
6811
68
7
1222344456667
222444666888
2234567891011
24468810121214
3458910121415
446810121416
46710121415
468121416
5691215
681014
6811
68
7