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

1,3

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.

Sequence in context: A183298 A081023 A165332 * A171521 A352796 A092784

Adjacent sequences: A031176 A031177 A031178 * A031180 A031181 A031182

Keyword

nonn,base

Author

Eric W. Weisstein

Extensions

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

Status

approved