A179977 Inverse permutation to A108971.

1, 2, 3, 4, 5, 6, 7, 8, 9, 17, 16, 15, 14, 13, 12, 11, 10, 25, 26, 18, 19, 20, 21, 22, 23, 24, 27, 28, 29, 37, 36, 35, 34, 33, 32, 31, 30, 45, 46, 38, 39, 40, 41, 42, 43, 44, 47, 48, 49, 57, 56, 55, 54, 53, 52, 51, 50, 65, 66, 58, 59, 60, 61, 62, 63, 64, 67, 68, 69, 77, 76, 75

Offset: 1

Author

Reinhard Zumkeller, Aug 04 2010

Keywords

• nonn

Comments

a(A108971(n)) = A108971(a(n)) = n;

a(A179978(n)) = A179978(a(n)) = A108971(n).