|
| |
|
|
A104616
|
|
Write the natural numbers in base 13 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, 7, 11, 2, 2, 0, 6, 4, 4, 1, 9, 6, 7, 10, 7, 9, 10, 1, 0, 1, 8, 4, 1, 10, 7, 1, 2, 0, 1, 10, 9, 1, 8, 8, 1, 9, 10, 2, 0, 2, 2, 7, 10, 2, 4, 8, 3, 4, 9, 3, 7, 0, 3, 0, 7, 4, 9, 4, 4, 8, 4, 4, 10, 7, 5, 2, 0, 5, 10, 9, 6, 8, 8, 6, 9, 10, 7, 0, 2, 7, 7, 10, 8, 4, 8, 8, 4, 9, 9, 7, 0, 9, 0, 7, 10
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,2
|
|
|
COMMENTS
| 1
23
456
789A
BC101
112131...
|
|
|
MATHEMATICA
| t = Flatten[ IntegerDigits[ Range[1900], 13]]; t[[Table[n(n + 1)/2, {n, 100}]]]
|
|
|
CROSSREFS
| Cf. A104606, A104607, A104608, A104609, A104610, A104611, A104612, A104613, A091425, A104614, A104615, A104617, A104618, A104619, A104620.
Sequence in context: A057241 A104617 A104618 * A104614 A133302 A104615
Adjacent sequences: A104613 A104614 A104615 * A104617 A104618 A104619
|
|
|
KEYWORD
| base,nonn
|
|
|
AUTHOR
| Robert G. Wilson v (rgwv(AT)rgwv.com), Mar 16 2005
|
| |
|
|
