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A061676 as a triangular array

1
11
121
1331
14641
15101051
0615201561
052135352171
04255670562881
032780126126843691
022710420525221012045101
012512530545646233016555111

A061676 as a square array

111111000000
12345654321
13610152125272725
141020355680104125
15153570126205305
162156126252456
172884210462
1836120330
1945165
11055
111
1
111111000000
12345654321
13610152125272725
141020355680104125
15153570126205305
162156126252456
172884210462
1836120330
1945165
11055
111
1