A098549 A098548(A098548(n)).

1, 2, 3, 4, 27, 28, 69, 70, 93, 94, 117, 118, 141, 142, 183, 184, 207, 208, 237, 238, 261, 262, 303, 304, 327, 328, 351, 352, 369, 370, 417, 418, 441, 442, 459, 460, 483, 484, 531, 532, 549, 550, 579, 580, 603, 604, 651, 652, 669, 670, 693, 694, 717, 718, 759

Offset

1,2

Links

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

Prog

(Haskell)
a098549 = a098548 . a098548  -- Reinhard Zumkeller, Nov 21 2014

Crossrefs

Cf. A098548.

Sequence in context: A255312 A293000 A141565 * A274677 A062931 A100604

Adjacent sequences: A098546 A098547 A098548 * A098550 A098551 A098552

Keyword

nonn

Author

Reinhard Zumkeller, Sep 14 2004

Status

approved