A141823 Integers k>1 such that A141822(k)=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

Offset

1,1

Comments

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?

No other terms below 10^7. - Bartlomiej Pawlik, Mar 04 2026

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