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A341992
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Take a standard 6-sided die and concatenate the numbers that can be seen around any of the corners and sort into increasing order.
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0
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123, 124, 132, 135, 142, 145, 153, 154, 213, 214, 231, 236, 241, 246, 263, 264, 312, 315, 321, 326, 351, 356, 362, 365, 412, 415, 421, 426, 451, 456, 462, 465, 513, 514, 531, 536, 541, 546, 563, 564, 623, 624, 632, 635, 642, 645, 653, 654
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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COMMENTS
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These are the three-digit numbers that can be read from the simultaneously visible faces that share the same corner on a 6-sided die with a traditional layout (in which the number of pips of opposite sides add up to 7).
3-digit numbers such that the digits are distinct and in 1..6, no two digits add up to 7. - Jianing Song, Mar 21 2021
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LINKS
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FORMULA
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a(n) + a(49-n) = 777 for n = 1..48. - Rémy Sigrist, Feb 26 2021
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CROSSREFS
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KEYWORD
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nonn,base,fini,full
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AUTHOR
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STATUS
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approved
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