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A003506 as a triangular array

1
22
363
412124
52030205
6306060306
742105140105427
856168280280168568
972252504630504252729
1090360840126012608403609010
111104951320231027722310132049511011

A003506 as a square array

1234567891011
2612203042567290110
3123060105168252360495
420601402805048401320
53010528063012602310
64216850412602772
7562528402310
8723601320
990495
10110
11

A003506 as an upper right triangle

1234567891011
2612203042567290110
3123060105168252360495
420601402805048401320
53010528063012602310
64216850412602772
7562528402310
8723601320
990495
10110
11

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Last modified January 23 19:36 EST 2020. Contains 331175 sequences. (Running on oeis4.)