A180956 Denominator in triangle T(n,k)=A180955/A180956 read by rows. A046161(A004736).

1, 2, 1, 8, 2, 1, 16, 8, 2, 1, 128, 16, 8, 2, 1, 256, 128, 16, 8, 2, 1, 1024, 256, 128, 16, 8, 2, 1, 2048, 1024, 256, 128, 16, 8, 2, 1, 32768, 2048, 1024, 256, 128, 16, 8, 2, 1, 65536, 32768, 2048, 1024, 256, 128, 16, 8, 2, 1, 262144, 65536, 32768, 2048, 1024, 256, 128

Offset

1,2

Links

Table of n, a(n) for n=1..62.

Example

Triangle starts:
1,
2,1,
8,2,1,
16,8,2,1,
128,16,8,2,1,
256,128,16,8,2,1,
1024,256,128,16,8,2,1,
2048,1024,256,128,16,8,2,1,
32768,2048,1024,256,128,16,8,2,1,
65536,32768,2048,1024,256,128,16,8,2,1,
262144,65536,32768,2048,1024,256,128,16,8,2,1,

Crossrefs

Cf. A180955, A001790, A046161.

Sequence in context: A205397 A020778 A118961 * A208921 A208660 A367024

Adjacent sequences: A180953 A180954 A180955 * A180957 A180958 A180959

Keyword

nonn,tabl

Author

Mats Granvik, Sep 28 2010

Status

approved