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A026695
T(2n,n-2), T given by A026692.
0
1, 6, 48, 200, 1324, 5220, 32590, 126829, 771933, 2996761, 18000452, 69937236, 416889740, 1622747113, 9626951158, 37552445443, 222077315939, 868086752186, 5122503757236, 20062930491568, 118205513082860, 463802040150503
OFFSET
2,2
CROSSREFS
Sequence in context: A059238 A371067 A254832 * A208536 A253947 A260344
KEYWORD
nonn
STATUS
approved