The number of equal-sized equilateral triangles in the highest stack of triangles contained in successive Genealodrons formed from 2^n - 1 same size equilateral triangles.

A179316

The number of equal-sized equilateral triangles in the highest stack of triangles contained in successive Genealodrons formed from 2^n - 1 same size equilateral triangles.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =2a(4) =2a(5) =3a(6) =5a(7) =7a(8) =12a(9) =22a(10) =37a(11) =66a(12) =118a(13) =228a(14) =413a(15) =762a(16) =1441a(17) =2718a(18) =5147a(19) =9804a(20) =18594a(21) =35420a(22) =67729a(23) =129976a(24) =249176a(25) =479112a(26) =921625a(27) =1777474a(28) =3429822a(29) =6632522

External references