A025145 Numbers k such that (#1's in s(1),...,s(k)) = -1 + (#1's in r(1),...,r(k)), where s = A025142 and r = A025143.

27, 36, 802, 804, 810, 822, 937, 943, 944, 945, 947, 949, 952, 955, 973, 980, 998, 1007, 1025, 1033, 1042, 1045, 1051, 1052, 1053, 1060, 1063, 1069, 1072, 1075, 1078, 1087, 1133

Offset: 1

Author

Clark Kimberling

Keywords

• nonn

Links

• H. Harborth, Probleme und Lösungen, Mathematische Semesterberichte 44 (1997) 94.