A380874 Indices of odd values > 1 in A067044 (least k such that k*n has only even digits).

16, 54, 58, 74, 76, 92, 94, 96, 98, 118, 126, 128, 136, 148, 154, 156, 158, 160, 162, 164, 168, 176, 182, 184, 186, 188, 196, 216, 218, 238, 252, 254, 272, 274, 276, 292, 294, 296, 298, 316, 318, 326, 346, 352, 364, 366, 372, 376, 382, 384, 386, 388, 392

Offset

1,1

Links

Table of n, a(n) for n=1..53.

Prog

(PARI) [n | n<-[1..199], (t=A067044(n))%2 && t>1]

Crossrefs

Cf. A067044.

Sequence in context: A164324 A334643 A197246 * A187104 A137741 A167690

Adjacent sequences: A380871 A380872 A380873 * A380875 A380876 A380877

Keyword

nonn,base

Author

M. F. Hasler, Mar 07 2025

Status

approved