A026913 T(2n-1,n-2), T given by A026907.

46, 239, 993, 3927, 15327, 59613, 231733, 901220, 3507762, 13666112, 53295628, 208049127, 812931417, 3179338857, 12444969357, 48753264432, 191137360902, 749893379292, 2944059898632, 11565629920632, 45462260000880, 178803726202404

Offset

2,1

Links

Table of n, a(n) for n=2..23.

Crossrefs

Sequence in context: A234154 A251410 A251403 * A244744 A156841 A086979

Adjacent sequences: A026910 A026911 A026912 * A026914 A026915 A026916

Keyword

nonn

Author

Clark Kimberling

Status

approved