|
Search: id:A105542
|
|
|
| A105542 |
|
Matrix square of triangle A105540 and, in this flattened form as read by rows, also equals column 1 of A105540. |
|
+0
5
|
|
| 1, 2, 1, 4, 4, 1, 6, 8, 6, 1, 13, 14, 14, 8, 1, 26, 47, 26, 22, 10, 1, 33, 58, 115, 42, 32, 12, 1, 75, 133, 102, 229, 62, 44, 14, 1, 101, 292, 393, 158, 401, 86, 58, 16, 1, 172, 285, 791, 921, 226, 643, 114, 74, 18, 1, 356, 950, 631, 1758, 1849, 306, 967, 146, 92, 20, 1, 633
(list; table; graph; listen)
|
|
|
OFFSET
|
0,2
|
|
|
COMMENT
|
Column n of triangular matrix A105540 equals A105540^(n+1) when flattened as read by rows.
|
|
EXAMPLE
|
Triangle begins:
1;
2,1;
4,4,1;
6,8,6,1;
13,14,14,8,1;
26,47,26,22,10,1;
33,58,115,42,32,12,1;
75,133,102,229,62,44,14,1;
101,292,393,158,401,86,58,16,1;
172,285,791,921,226,643,114,74,18,1; ...
|
|
CROSSREFS
|
Cf. A105540, A105543 (column 0), A105544 (row sums).
Sequence in context: A070785 A105537 A115237 this_sequence A136600 A136672 A097750
Adjacent sequences: A105539 A105540 A105541 this_sequence A105543 A105544 A105545
|
|
KEYWORD
|
nonn,tabl
|
|
AUTHOR
|
Paul D. Hanna (pauldhanna(AT)juno.com), Apr 13 2005
|
|
|
Search completed in 0.002 seconds
|
