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A032573 Numbers k whose decimal representation, read as a base-21 value and divided by k, yields an integer. 1
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 (list; graph; refs; listen; history; text; internal format)
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: A082810 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

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Last modified June 19 12:57 EDT 2021. Contains 345129 sequences. (Running on oeis4.)