|
Search: id:A113526
|
|
|
| A113526 |
|
Define the first two terms to be 1 and 3. All the other terms are obtained by concatenating the two previous terms. |
|
+0
2
|
|
| 1, 3, 13, 313, 13313, 31313313, 1331331313313, 313133131331331313313, 1331331313313313133131331331313313, 3131331313313313133131331331313313313133131331331313313
(list; graph; listen)
|
|
|
OFFSET
|
1,2
|
|
|
EXAMPLE
|
The third term is 13 which is obtained by concatenating the two previous terms 1 and 3.
|
|
MATHEMATICA
|
a[1] = 1; a[2] = 3; a[n_] := FromDigits@ Join[IntegerDigits@a[n - 2], IntegerDigits@a[n - 1]]; Array[a, 10] (* Robert G. Wilson v *)
|
|
CROSSREFS
|
Cf. A008352.
Sequence in context: A100524 A000859 A045748 this_sequence A156358 A066266 A092845
Adjacent sequences: A113523 A113524 A113525 this_sequence A113527 A113528 A113529
|
|
KEYWORD
|
base,nonn
|
|
AUTHOR
|
Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Jan 12 2006
|
|
EXTENSIONS
|
More terms from Robert G. Wilson v (rgwv(at)rgwv.com), Jan 18 2006
|
|
|
Search completed in 0.002 seconds
|
