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A229755 as a triangular array

0
00
131
360603
1242259842212
50184023472347184050
21064566809656168096456210
861200321740415075150751740420032861
3416574404187232548297763254841872574403416
1314015590497565691985767757677691989756515590413140

A229755 as a square array

00131250210861341613140
0360422184064562003257440155904
16059823476809174044187297565
342223476561150753254869198
1218406809150752977657677
506456174043254857677
210200324187269198
8615744097565
3416155904
13140
00131250210861341613140
0360422184064562003257440155904
16059823476809174044187297565
342223476561150753254869198
1218406809150752977657677
506456174043254857677
210200324187269198
8615744097565
3416155904
13140