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A104614 Write the natural numbers in base 11 in a triangle with k digits in the k-th row, as shown below. Sequence gives the leading diagonal. 15
1, 3, 6, 10, 1, 1, 8, 1, 2, 3, 5, 0, 4, 5, 10, 7, 7, 8, 1, 0, 1, 0, 1, 1, 2, 1, 1, 5, 1, 1, 8, 1, 1, 0, 2, 2, 3, 2, 2, 6, 2, 2, 10, 3, 3, 3, 3, 3, 8, 3, 4, 1, 4, 4, 6, 4, 4, 0, 5, 5, 6, 5, 5, 1, 6, 6, 7, 6, 7, 2, 7, 7, 8, 8, 8, 4, 8, 8, 0, 9, 9, 8, 9, 10, 4, 10, 10, 2, 1, 5, 0, 0, 0, 1, 9, 0, 1, 0, 2, 2, 7, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
1
23
456
789A
10111
213141
5161718...
LINKS
MATHEMATICA
t = Flatten[ IntegerDigits[ Range[1850], 11]]; t[[Table[n(n + 1)/2, {n, 105}]]]
CROSSREFS
Sequence in context: A104617 A104618 A104616 * A133302 A104615 A194047
KEYWORD
base,nonn
AUTHOR
Robert G. Wilson v, Mar 16 2005
STATUS
approved

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Last modified March 19 01:34 EDT 2024. Contains 370952 sequences. (Running on oeis4.)