login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A132620 as a triangular array

1
11
211
9411
7630611
101535063811
1899657409521081011
4611601235361902620101651211
1381005633216244776124768536522341411
4927859191076398801452317913799281005296006

A132620 as a square array

11297610151899646116013810056492785919
1143035057401235363321624107639880
116639521902647761214523179
1181082010476851379928
11101653652100529
11122346006
1114
11
1
11297610151899646116013810056492785919
1143035057401235363321624107639880
116639521902647761214523179
1181082010476851379928
11101653652100529
11122346006
1114
11
1