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”).

A099615 as a triangular array

4
927
1664256
251256253125
362161296777646656
49343240116807117649823543
64512409632768262144209715216777216
81729656159049531441478296943046721387420489
100100010000100000

A099615 as a square array

49162536496481100
27641252163435127291000
256625129624014096656110000
31257776168073276859049100000
46656117649262144531441
82354320971524782969
1677721643046721
387420489
49162536496481100
27641252163435127291000
256625129624014096656110000
31257776168073276859049100000
46656117649262144531441
82354320971524782969
1677721643046721
387420489