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A026264
(1/2)*(s(n) + 1), where s(n) is the n-th odd number in A026262.
1
1, 2, 3, 4, 6, 7, 5, 8, 9, 15, 10, 16, 11, 17, 18, 12, 13, 14, 25, 26, 27, 28, 19, 20, 21, 22, 34, 23, 35, 36, 24, 37, 44, 29, 45, 30, 46, 47, 31, 32, 33, 53, 54, 55, 56, 38, 39, 40, 41, 63, 42, 64, 65, 43, 66, 72, 73, 48, 74, 49, 75, 50, 51
OFFSET
1,2
CROSSREFS
Sequence in context: A071661 A125977 A071666 * A073208 A182113 A361647
KEYWORD
nonn
STATUS
approved