A104617 - OEIS

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A104617

Write the natural numbers in base 14 in a triangle with k digits in the k-th row, as shown below. Sequence gives the leading diagonal.

15

1, 3, 6, 10, 0, 3, 1, 1, 1, 6, 2, 3, 10, 3, 4, 5, 13, 8, 7, 8, 10, 7, 10, 11, 1, 0, 1, 0, 1, 1, 2, 1, 1, 5, 1, 1, 7, 1, 1, 10, 1, 1, 13, 2, 2, 2, 2, 2, 6, 2, 2, 9, 2, 2, 13, 3, 3, 3, 3, 3, 8, 3, 3, 12, 4, 4, 3, 4, 4, 8, 4, 4, 13, 5, 5, 4, 5, 5, 10, 5, 6, 2, 6, 6, 8, 6, 6, 0, 7, 7, 6, 7, 7, 13, 8, 8, 6, 8, 8

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

1

23

456

789A

BCD10

111213...

LINKS

Table of n, a(n) for n=1..99.

MATHEMATICA

t = Flatten[ IntegerDigits[ Range[1900], 14]]; t[[Table[n(n + 1)/2, {n, 100}]]]

CROSSREFS

Cf. A104606, A104607, A104608, A104609, A104610, A104611, A104612, A104613, A091425, A104614, A104615, A104616, A104618, A104619, A104620.

Sequence in context: A073910 A115251 A057241 * A104618 A104616 A104614

Adjacent sequences: A104614 A104615 A104616 * A104618 A104619 A104620

KEYWORD

base,nonn

AUTHOR

Robert G. Wilson v, Mar 16 2005

STATUS

approved