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A026881
T(2n,n-4), T given by A026769.
0
1, 18, 199, 1756, 13624, 97434, 659549, 4294814, 27187126, 168499288, 1027595830, 6188801692, 36907274904, 218380550880, 1284054213847, 7511758730412, 43762192338180, 254086749470802, 1471134871883972
(list; graph; refs; listen; history; text; internal format)
OFFSET
4,2
LINKS
Table of n, a(n) for n=4..22.
CROSSREFS
Sequence in context: A086573 A097515 A177358 * A181961 A250317 A250558
Adjacent sequences: A026878 A026879 A026880 * A026882 A026883 A026884
KEYWORD
nonn
AUTHOR
Clark Kimberling
STATUS
approved

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Last modified November 25 09:08 EST 2024. Contains 378100 sequences.
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