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A280770
Even terms in A280864, divided by 2, in order of appearance.
3
1, 2, 3, 4, 5, 6, 7, 8, 11, 9, 10, 12, 14, 13, 17, 15, 19, 16, 23, 18, 21, 24, 29, 20, 26, 22, 31, 25, 39, 27, 37, 28, 34, 30, 41, 32, 43, 33, 47, 35, 38, 36, 46, 40, 51, 42, 52, 44, 53, 45, 59, 48, 61, 49, 68, 50, 57, 54, 67, 55, 58, 56, 76, 60, 66, 63, 71, 62, 74, 64, 73, 65, 79, 69, 83, 70, 89, 72, 97
OFFSET
1,2
COMMENTS
It is known (see A280864) that this is a permutation of the natural numbers.
LINKS
CROSSREFS
Sequence in context: A048334 A087027 A358142 * A354441 A354435 A358277
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jan 17 2017
STATUS
approved