A032573 Numbers k whose decimal representation, read as a base-21 value and divided by k, yields an integer.

1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 22, 33, 44, 55, 66, 77, 88, 99, 121, 242, 363, 484, 1331, 1837, 2662, 3146, 3993, 14641, 16940, 93753, 139838, 144096, 154396, 177870, 196383, 268950, 292298, 363484, 1148136, 1630222, 1963830, 3615999

Offset

1,2

Comments

Original name: Base 21 value of decimal denominator divided by this decimal value (n) is an integer.

Links

Table of n, a(n) for n=1..42.

Example

1837 is a term: 1837_21 = 12859 = 1837*7. - Jon E. Schoenfield, Oct 25 2019

Crossrefs

Cf. A032574. See also A032563 for explanation.

Sequence in context: A344550 A010785 A343524 * A190217 A222620 A262069

Adjacent sequences: A032570 A032571 A032572 * A032574 A032575 A032576

Keyword

nonn,base

Author

Patrick De Geest, Apr 15 1998

Extensions

Offset changed and Name edited by Jon E. Schoenfield, Oct 25 2019

Status

approved