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A109233
Self-inverse integer permutation induced by Beatty sequences for (e+1/e)/2 and (e^2+1)/(e-1)^2.
4
2, 1, 5, 8, 3, 11, 14, 4, 17, 19, 6, 22, 25, 7, 28, 31, 9, 34, 10, 36, 39, 12, 42, 45, 13, 48, 51, 15, 53, 56, 16, 59, 62, 18, 65, 20, 68, 71, 21, 73, 76, 23, 79, 82, 24, 85, 88, 26, 90, 93, 27, 96, 29, 99, 102, 30, 105, 107, 32, 110, 113, 33, 116, 119
OFFSET
1,1
FORMULA
a(A109231(n))=A109232(n) and a(A109232(n))=A109231(n).
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Jun 23 2005
STATUS
approved