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A047137 a(n) = T(n,n+2), array T as in A047130. 1
1, 3, 9, 28, 104, 367, 1295, 4600, 17229, 64069, 238148, 886823, 3366045, 12793452, 48663267, 185303586, 711046282, 2734845898, 10532016662, 40599379289, 157049408777, 608667818351, 2361851906708, 9173261457282 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
CROSSREFS
Cf. A047130.
Sequence in context: A148936 A121656 A148937 * A058145 A218915 A258064
KEYWORD
nonn
AUTHOR
EXTENSIONS
Definition corrected by Georg Fischer, Jan 20 2020
STATUS
approved

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Last modified March 3 14:56 EST 2024. Contains 370512 sequences. (Running on oeis4.)