login

A122828 as a triangular array

1
12
232
3752
5131472
825322392
1346716234112
341513043672951636215
25526960482776750523879
172

A122828 as a square array

1123581334217
237132546151552
25143271304269
272362367604
2934295827
211163767
262505
15238
79
1123581334217
237132546151552
25143271304269
272362367604
2934295827
211163767
262505
15238
79