A031179 Numbers having period-1 3-digitized sequences.

0, 1, 2, 3, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 17, 18, 19, 20, 21, 23, 24, 26, 27, 29, 30, 32, 33, 34, 35, 36, 37, 38, 39, 41, 42, 43, 44, 45, 47, 48, 50, 51, 53, 54, 56, 57, 58, 59, 60, 62, 63, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 80, 81, 83, 84, 85

Offset: 1

Author

Eric W. Weisstein

Keywords

• nonn
• base

Comments

Equivalently, numbers that eventually reach a fixed point under "x -> sum of cubes of digits of x". - Reinhard Zumkeller, Sep 17 2009

Links

• Reinhard Zumkeller, Table of n, a(n) for n = 1..1000
• Eric Weisstein's World of Mathematics, Digitaddition

Crossrefs

Complement of A165336.

Union of A035504, A008585, A165333, A165334, and A165335.

Cf. A031178.

Extensions

Missing a(0)=0 inserted by Sean A. Irvine, Apr 14 2020