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A217933 A217932/2. 1
1, 2, 4, 7, 14, 26, 52, 101, 201, 397, 794, 1576, 3152, 6286, 12568, 25099, 50198, 100318, 200636, 401130, 802244, 1604208, 3208416, 6416241, 12832481, 25663851, 51327639, 102653052, 205306104, 410607652, 821215304, 1642421734 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
CROSSREFS
Cf. A217932.
Sequence in context: A027988 A238859 A224960 * A005594 A374681 A123196
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Oct 17 2012
STATUS
approved

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Last modified August 31 00:13 EDT 2024. Contains 375550 sequences. (Running on oeis4.)