(Translated by https://www.hiragana.jp/)
A084497 - OEIS
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A084497
a(n) = n + A084521(n) - 3.
5
1, 3, 2, 5, 6, 4, 9, 7, 8, 12, 11, 10, 14, 15, 16, 13, 18, 20, 19, 17, 23, 21, 24, 22, 27, 26, 28, 25, 31, 32, 29, 30, 35, 36, 34, 33, 40, 37, 38, 39, 44, 41, 43, 42, 48, 46, 45, 47, 52, 50, 51, 49, 56, 55, 53, 54, 60, 59, 58, 57, 62, 64, 65, 61, 63, 67, 70, 66, 69, 68, 72, 75
OFFSET
1,2
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Jun 02 2003
STATUS
approved