login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A155092
Matrix inverse of A155091.
4
1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 3, 3, 2, 1, 1, 6, 6, 4, 2, 1, 1, 11, 11, 7, 4, 2, 1, 1, 22, 22, 14, 8, 4, 2, 1, 1, 42, 42, 27, 15, 8, 4, 2, 1, 1, 84, 84, 54, 30, 16, 8, 4, 2, 1, 1, 165, 165, 106, 59, 31, 16, 8, 4, 2, 1, 1, 330, 330, 212, 118, 62, 32, 16, 8, 4, 2, 1, 1, 654, 654, 420, 234, 123, 63
OFFSET
1,7
COMMENTS
First column is A002083. Rows sums are A045690.
Eigentriangle of A101688. - Paul Barry, Mar 01 2011
EXAMPLE
Table begins:
1,
1,1,
1,1,1,
2,2,1,1,
3,3,2,1,1,
6,6,4,2,1,1,
11,11,7,4,2,1,1,
22,22,14,8,4,2,1,1,
42,42,27,15,8,4,2,1,1,
84,84,54,30,16,8,4,2,1,1,
CROSSREFS
Sequence in context: A332548 A352685 A191781 * A095133 A334572 A126081
KEYWORD
nonn,tabl
AUTHOR
Mats Granvik, Jan 20 2009
STATUS
approved