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A098549 A098548(A098548(n)). 2
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 (list; graph; refs; listen; history; text; internal format)
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 A100604 A062931

Adjacent sequences:  A098546 A098547 A098548 * A098550 A098551 A098552

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Sep 14 2004

STATUS

approved

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Last modified July 29 23:58 EDT 2021. Contains 346346 sequences. (Running on oeis4.)