A141823 - OEIS

A141823

Integers n>1 such that A141822(n)=4.

20, 28, 38, 42, 90, 96, 156, 164, 216, 228, 252, 318, 336, 350, 384, 386, 442, 508, 558, 770, 876, 922, 978, 1014, 1155, 1170, 1410, 1450, 1692, 1870, 2052, 2370, 3618, 5052, 6234

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OFFSET

1,1

COMMENTS

No other terms below 10^5.

Zaremba conjectured that A141832, A141833, A195901, and this sequence form a partition of the integers >1.

Is this sequence finite? If so, is it complete?

LINKS

Table of n, a(n) for n=1..35.

CROSSREFS

Cf. A141832, A141833, A141821.

Sequence in context: A024411 A269986 A139805 * A367632 A137428 A368089

Adjacent sequences: A141820 A141821 A141822 * A141824 A141825 A141826

KEYWORD

nonn,more,hard

AUTHOR

T. D. Noe, Jul 08 2008, Jul 09 2008

EXTENSIONS

Edited by Max Alekseyev, Sep 25 2011

STATUS

approved