A381660 The value k such that n = a(j) = a(j+k) = a(j+2*k) in A381658.

1, 1, 1, 3, 15, 2, 1, 1, 3, 9, 43, 26, 28, 15, 4, 36, 18, 25, 6, 25, 31, 20, 70, 46, 26, 352, 114, 11, 19, 23, 49, 56, 70, 15, 56, 79, 46, 409, 29, 48, 24, 48, 52, 16, 77, 11, 123, 16, 78, 73, 48, 44, 49, 31, 11, 178, 330, 305, 180, 454, 147, 45, 158, 280, 108, 296, 53, 13, 22, 4, 184, 145, 99, 86, 114, 6, 42, 41, 248, 76, 570, 54, 204, 25, 125, 522, 110

Offset: 1

Author

Scott R. Shannon, Mar 04 2025

Keywords

• nonn

Comments

The last known term that equals 1 is a(112). See A381658.

Links

• Scott R. Shannon, Table of n, a(n) for n = 1..250

Crossrefs

Cf. A381658, A381659, A092482, A381597, A229037.