A214207 Replace the terms of A213975 with their ranks in A007931.

1, 2, 3, 4, 5, 8, 9, 11, 12, 17, 19, 20, 24, 25, 35, 36, 40, 41, 49, 51, 72, 73, 81, 83, 99, 100, 104, 145, 147, 163, 164, 168, 200, 201, 209, 292, 296, 328, 329, 337, 401, 403, 419, 420, 585, 593, 657, 659, 675, 676, 804, 808, 840, 841, 1171, 1187, 1188, 1316, 1320, 1352, 1353, 1609, 1617, 1681, 1683, 2344, 2376, 2377, 2633, 2641, 2705, 2707, 3219, 3235

Offset: 1

Author

N. J. A. Sloane, Jul 09 2012

Keywords

• nonn

Comments

Created with the hope of obtaining a better understanding of A213975. It would be interesting if this sequence or A214208 had an alternative definition.

Examples

			A213975(10)=1121, which is A007931(17), so a(10)=17.
		

Links

• Alois P. Heinz, Table of n, a(n) for n = 1..10010

Crossrefs

Cf. A213975, A007931, A214208, A214209.