72922

Appears in sequences

• Irregular triangle read by rows: T(n,k) is the number of identity trees with n nodes and maximal branching factor k.at n=76A244523
• Number of identity trees with n nodes where the maximal outdegree (branching factor) equals 2.at n=15A245747
• Fold a square sheet of paper alternately vertically to the left and horizontally downwards; after each fold, draw a line along each inward crease; after n folds, the largest region in the resulting graph occupies a(n)/2^n of the whole sheet.at n=18A342764