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A026871
T(2n,n-3), T given by A026758.
0
1, 11, 82, 519, 3010, 16563, 88092, 457800, 2340519, 11824761, 59217488, 294596574, 1458173626, 7189542273, 35341573246, 173322863748, 848473455491, 4147736942919, 20254228370249, 98824420111063, 481889327547656
OFFSET
3,2
CROSSREFS
Sequence in context: A261391 A211845 A029887 * A123367 A177142 A129388
KEYWORD
nonn
STATUS
approved