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A137585 Triangle read by rows: A054525 * A026794. 2
1, 0, 1, 1, 0, 1, 2, 0, 0, 1, 4, 1, 0, 0, 1, 5, 1, 0, 0, 0, 1, 10, 2, 1, 0, 0, 0, 1, 12, 3, 1, 0, 0, 0, 0, 1, 20, 4, 1, 1, 0, 0, 0, 0, 1, 25, 5, 2, 1, 0, 0, 0, 0, 0, 1, 41, 8, 3, 1, 1, 0, 0, 0, 0, 0, 1, 47, 10, 3, 1, 1, 0, 0, 0, 0, 0, 0, 1, 76, 14, 5, 2, 1, 1, 0, 0, 0, 0, 0, 0, 1 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,7
COMMENTS
Row sums = A000837 starting (1, 1, 2, 3, 6, 7, 14, 17, ...).
LINKS
FORMULA
Mobius transform of A026794, the partition triangle.
EXAMPLE
First few rows of the triangle:
1;
0, 1;
1, 0, 1;
2, 0, 0, 1;
4, 1, 0, 0, 1;
5, 1, 0, 0, 0, 1;
10, 2, 1, 0, 0, 0, 1;
12, 3, 1, 0, 0, 0, 0, 1;
...
CROSSREFS
Sequence in context: A355916 A309023 A353429 * A301344 A301579 A072458
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Jan 27 2008
STATUS
approved

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Last modified March 18 22:56 EDT 2024. Contains 370952 sequences. (Running on oeis4.)