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A026911
T(2n,n-2), T given by A026907.
0
67, 348, 1495, 6108, 24501, 97456, 385900, 1524066, 6009720, 23675882, 93226503, 367005692, 1444728537, 5687662392, 22395051912, 88199397642, 347448657492, 1369107075762, 5396498311992, 21277355051610, 83918011194996
OFFSET
2,1
CROSSREFS
Sequence in context: A033242 A013533 A012865 * A142371 A142609 A262344
KEYWORD
nonn
STATUS
approved