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A261661 Numbers in A261660 converted to base 10. 3
0, 1, 2, 3, 6, 9, 18, 27, 28, 29, 54, 55, 56, 81, 84, 87, 162, 165, 168, 243, 252, 261, 486, 495, 504, 729, 730, 731, 756, 757, 758, 783, 784, 785, 1458, 1459, 1460, 1485, 1486, 1487, 1512, 1513, 1514, 2187, 2190, 2193, 2268, 2271, 2274, 2349, 2352, 2355, 4374 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

A low density sequence with the property that every nonnegative integer is the sum of at most three terms.

REFERENCES

Veit Elser, Posting to Math Fun Mailing List, Aug 28 2015

LINKS

Lars Blomberg, Table of n, a(n) for n = 0..1000

CROSSREFS

Cf. A261660, A261662.

Sequence in context: A018402 A018441 A124879 * A062865 A180684 A206100

Adjacent sequences:  A261658 A261659 A261660 * A261662 A261663 A261664

KEYWORD

nonn,base

AUTHOR

N. J. A. Sloane, Aug 28 2015

EXTENSIONS

a(43)-a(52) from Lars Blomberg, Sep 04 2017

STATUS

approved

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Last modified October 16 17:56 EDT 2017. Contains 293441 sequences.