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A027174 a(n) = A027170(2n, n-2). 0
9, 58, 264, 1106, 4495, 18014, 71652, 283760, 1120806, 4419928, 17413572, 68569666, 269941451, 1062631046, 4183370636, 16471711736, 64870158866, 255541666976, 1006930883396, 3968854010936, 15648092510618, 61714841143568 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

LINKS

Table of n, a(n) for n=2..23.

CROSSREFS

Sequence in context: A343133 A044147 A044528 * A304370 A099624 A018218

Adjacent sequences:  A027171 A027172 A027173 * A027175 A027176 A027177

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified July 3 06:54 EDT 2022. Contains 355031 sequences. (Running on oeis4.)