login

A173741 as a triangular array

1
11
161
1771
181081
19141491
110192419101
11125393925111
1123260746032121
11340881301308840131
1144912421425621412449141
1155916933446646633416959151

A173741 as a square array

111111111111
16789101112131415
171014192532404959
181424396088124169
19193974130214334
1102560130256466
1113288214466
11240124334
11349169
11459
115
1
111111111111
16789101112131415
171014192532404959
181424396088124169
19193974130214334
1102560130256466
1113288214466
11240124334
11349169
11459
115
1