A361346 Numbers k such that A361338(k) = 7.

1133, 1339, 1387, 1519, 1597, 1719, 1917, 1969, 1973, 1979, 2139, 2177, 2357, 2359, 2577, 2599, 2771, 2939, 2959, 3117, 3119, 3137, 3149, 3169, 3189, 3191, 3437, 3571, 3573, 3589, 3591, 3639, 3657, 3731, 3773, 3797, 3859, 3917, 3929, 3979, 3991, 3999, 4179, 4191, 4359

Offset: 1

Author

N. J. A. Sloane, Apr 05 2023

Keywords

• nonn
• base

Crossrefs

Cf. A361337-A361349.

Programs

PARI

select( {is_A361346(n)=A361338(n)==7}, [1..4444]) \\ M. F. Hasler, Apr 08 2023