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A341943
Fixed points of A341915.
2
0, 1, 6, 11, 54, 91, 438, 731, 3510, 5851, 28086, 46811, 224694, 374491, 1797558, 2995931, 14380470, 23967451, 115043766, 191739611, 920350134, 1533916891
OFFSET
1,3
FORMULA
Apparently:
- a(1) = 1,
- a(2) = 6,
- a(2*k+1) = 8*a(2*k-1) + 3 for any k > 0,
- a(2*k+2) = 8*a(2*k) + 6 for any k > 0.
EXAMPLE
A341915(6) = 6, so 6 belongs to this sequence.
A341915(7) = 4, so 7 does not belong to this sequence.
CROSSREFS
Sequence in context: A270183 A270212 A077701 * A271119 A271299 A177197
KEYWORD
nonn,base,more
AUTHOR
Rémy Sigrist, Feb 24 2021
STATUS
approved