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A269940 as a triangular array

1
01
023
062015
024130210105
012092423802520945
0720730826432441003465010395
0504064224303660705320866250540540135135
040320623376367884011098780188588401828827094594502027025

A269940 as a square array

100000000
12624120720504040320
320130924730864224623376
152102380264323036603678840
10525204410070532011098780
9453465086625018858840
1039554054018288270
1351359459450
2027025
100000000
12624120720504040320
320130924730864224623376
152102380264323036603678840
10525204410070532011098780
9453465086625018858840
1039554054018288270
1351359459450
2027025