A079661 Triangular array: T(n,1)=T(n,n)=n, for 1<k<n: T(n,k) = concatenation of T(n-1,k-1) and T(n-1,k) in binary representation.

1, 2, 2, 3, 10, 3, 4, 58, 43, 4, 5, 314, 3755, 348, 5, 6, 2874, 1289899, 1922908, 2789, 6, 7, 27450, 6028504747, 2705116190556, 7876233957, 22318, 7, 8, 256826, 235799733055147, 26513644272422368401244, 23236771140644124347109

Offset

1,2

Links

Table of n, a(n) for n=1..33.

Example

Triangle begins:..................binary:
............1...........................1
.........2.....2...................10......10
......3....10.....3............11.....1010.....11
...4....58....43.....4......100..111010..101011..100.

Crossrefs

Sequence in context: A032172 A032103 A091044 * A220644 A338372 A153920

Adjacent sequences: A079658 A079659 A079660 * A079662 A079663 A079664

Keyword

nonn,tabl

Author

Reinhard Zumkeller, Jan 23 2003

Status

approved