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A038446 Sums of 4 distinct powers of 10. 7
1111, 10111, 11011, 11101, 11110, 100111, 101011, 101101, 101110, 110011, 110101, 110110, 111001, 111010, 111100, 1000111, 1001011, 1001101, 1001110, 1010011, 1010101, 1010110, 1011001, 1011010, 1011100, 1100011, 1100101 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..26.

CROSSREFS

Sequence in context: A074843 A175464 A043496 * A115781 A115802 A115812

Adjacent sequences:  A038443 A038444 A038445 * A038447 A038448 A038449

KEYWORD

nonn,easy

AUTHOR

Olivier Gérard

STATUS

approved

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Last modified November 24 16:10 EST 2014. Contains 249899 sequences.