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A079442
Number of fixed points in range [A014137(n-1)..A014138(n)] of permutation A071663.
7
1, 1, 0, 3, 0, 9, 0, 21, 0, 45, 0, 99, 0, 195, 0, 399, 0, 801, 0
OFFSET
0,4
FORMULA
For all n >= 0, a(2n+3)/3 = A079444(n).
CROSSREFS
Occurs in A073202 as row 176609070820803.
Sequence in context: A201581 A164597 A167295 * A254006 A321329 A016645
KEYWORD
nonn,more,hard
AUTHOR
Antti Karttunen, Jan 27 2003
EXTENSIONS
Name corrected by Antti Karttunen, Dec 13 2017
STATUS
approved