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A107972 as a triangular array

1
36
61420
10254050
15396690105
215698140175196
2876136200260308336
3699180270360441504540
45125230350475595700780825
55154286440605770924105611551210
66186348

A107972 as a square array

1361015212836455566
6142539567699125154186
20406698136180230286348
5090140200270350440
105175260360475605
196308441595770
336504700924
5407801056
8251155
1210

A107972 as an upper right triangle

1361015212836455566
6142539567699125154186
20406698136180230286348
5090140200270350440
105175260360475605
196308441595770
336504700924
5407801056
8251155
1210

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Last modified January 29 16:58 EST 2020. Contains 331347 sequences. (Running on oeis4.)