A047007 T(n,n+2), array T given by A047000.

1, 3, 9, 30, 103, 366, 1323, 4859, 18033, 67531, 254620, 965592, 3679039, 14074126, 54023919, 207985518, 802774173, 3105514305, 12037590980, 46743091795, 181796906808, 708073498446, 2761428873186, 10782065189898, 42144216934185

Offset

0,2

Links

Table of n, a(n) for n=0..24.

Crossrefs

Sequence in context: A148951 A228248 A047064 * A007453 A148952 A148953

Adjacent sequences: A047004 A047005 A047006 * A047008 A047009 A047010

Keyword

nonn

Author

Clark Kimberling

Status

approved