|
Search: id:A128227
|
|
| |
|
| 1, 1, 1, 1, 2, 1, 1, 2, 3, 1, 1, 2, 3, 4, 1, 1, 2, 3, 4, 5, 1, 1, 2, 3, 4, 5, 6, 1, 1, 2, 3, 4, 5, 6, 7, 1
(list; table; graph; listen)
|
|
|
OFFSET
|
0,5
|
|
|
COMMENT
|
Row sums = A000124: (1, 2, 4, 7, 11, 16,...). n* each term of the triangle gives A128228, having row sums A006000: (1, 4, 12, 28, 55,...).
|
|
FORMULA
|
"1" added to each row of "start counting again": (1; 1,2; 1,2,3,...) such that a(1) = 1, giving: (1; 1,1; 1,2,1;...).
|
|
EXAMPLE
|
First few rows of the triangle are:
1;
1, 1;
1, 2, 1;
1, 2, 3, 1;
1, 2, 3, 4, 1;
...
|
|
CROSSREFS
|
Cf. A002260, A128228, A000124, A006000.
Sequence in context: A088198 A088426 A124769 this_sequence A144328 A140207 A104763
Adjacent sequences: A128224 A128225 A128226 this_sequence A128228 A128229 A128230
|
|
KEYWORD
|
nonn,tabl
|
|
AUTHOR
|
Gary W. Adamson (qntmpkt(AT)yahoo.com), Feb 19 2007
|
|
|
Search completed in 0.002 seconds
|
