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A206238 as a triangular array

15
6060
310256310
1640113611361640
89105728445657288910
510663165227168271683165251066
294546170728133392283728133392170728294546
1710184943584607008123643212364326070089435841710184

A206238 as a square array

156031016408910510662945461710184
602561136572831652170728943584
3101136445627168133392607008
16405728271682837281236432
8910316521333921236432
51066170728607008
294546943584
1710184

A206238 as an upper right triangle

156031016408910510662945461710184
602561136572831652170728943584
3101136445627168133392607008
16405728271682837281236432
8910316521333921236432
51066170728607008
294546943584
1710184

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)