A274631 First column of array in A274630.

1, 2, 4, 3, 5, 6, 7, 8, 10, 9, 11, 12, 13, 14, 16, 15, 17, 18, 19, 20, 22, 21, 24, 23, 26, 25, 28, 27, 30, 29, 32, 31, 34, 33, 36, 35, 38, 37, 39, 40, 42, 41, 44, 43, 46, 45, 48, 47, 50, 49, 52, 51, 54, 53, 56, 55, 58, 57, 59, 60, 62, 61, 64, 63, 66, 65, 68, 67, 70, 69, 72, 71, 74, 73, 76, 75, 78, 77, 79

Offset: 1

Author

N. J. A. Sloane, Jul 08 2016

Keywords

• nonn

Crossrefs

Cf. A269526, A274630.

First differs from A131042 at a(23). - Omar E. Pol, Jul 08 2016