A354935 Row 5 of A354940: Numbers k for which A345992(k) = 5, divided by 5.

3, 6, 8, 11, 13, 16, 23, 26, 31, 36, 41, 43, 46, 51, 53, 56, 61, 71, 73, 81, 83, 86, 91, 96, 101, 103, 106, 113, 116, 121, 128, 131, 141, 146, 151, 163, 166, 171, 173, 176, 181, 191, 193, 196, 206, 211, 223, 226, 233, 241, 243, 251, 256, 263, 271, 276, 281, 283, 293, 301, 311, 313, 321, 326, 331, 343, 346, 353, 356, 361

Offset: 1

Author

Antti Karttunen, Jun 15 2022

Keywords

• nonn

Comments

Apparently, all terms are either of the form 5k+1 (in A016861), or of the form 5k+3 (in A016885).

Crossrefs

Row 5 of A354940.

Cf. A016861, A016885, A344005, A345992.

Programs

Mathematica

q[n_] := Module[{m = 1}, While[!Divisible[m*(m + 1), 5*n], m++]; GCD[5*n, m] == 5]; Select[Range[360], q] (* Amiram Eldar, Jun 17 2022 *)

PARI

A354935(n) = A354940sq(5,n);