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A237498 as a triangular array

1
11
2-11
34-31
5-510-51
815-2520-71
13-2265-6534-91
2157-152195-13352-111
34-93361-542461-23774-131
55220-8151445-1464935-385100-151
89-3851850-3705

A237498 as a square array

1123581321345589
1-14-515-2257-93220-385
1-310-2565-152361-8151850
1-520-65195-5421445-3705
1-734-133461-1464
1-952-237935
1-1174-385
1-13100
1-15
1
1123581321345589
1-14-515-2257-93220-385
1-310-2565-152361-8151850
1-520-65195-5421445-3705
1-734-133461-1464
1-952-237935
1-1174-385
1-13100
1-15
1