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

1,2

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.

Links

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

Example

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

Crossrefs

Cf. A213975, A007931, A214208, A214209.

Sequence in context: A266118 A287802 A371284 * A302497 A044051 A351204

Adjacent sequences: A214204 A214205 A214206 * A214208 A214209 A214210

Keyword

nonn

Author

N. J. A. Sloane, Jul 09 2012

Status

approved