|
Search: id:A098233
|
|
|
| A098233 |
|
Consider the family of ordinary multigraphs. Sequence gives the triangle read by rows giving coefficients of polynomials arising from enumeration of those multigraphs on n edges. |
|
+0
1
|
|
| 1, 1, 1, 1, 1, 1, 4, 7, 3, 1, 1, 13, 46, 47, 25, 6, 1, 1, 40, 295, 587, 516, 235, 65, 10, 1, 1, 121, 1846, 6715, 9690, 7053, 3006, 800, 140, 15, 1, 1, 364, 11347, 73003, 170051, 189458, 119211, 46795, 12201, 2170, 266, 21, 1, 1, 1093, 68986, 768747
(list; graph; listen)
|
|
|
OFFSET
|
0,7
|
|
|
REFERENCES
|
G. Paquin, D'enombrement de multigraphes enrichis, M'emoire, Math. Dept., Univ. Qu'ebec `a Montr'eal, 2004.
|
|
EXAMPLE
|
1, x^2, x^2+x^3+x^4, x^2+4x^3+7x^4+3x^5+x^6, x^2 +13x^3 +46x^4+47x^5+25x^6+6x^7+x^8, x^2 + 40x^3+295x^4+587x^5+516x^6+235x^7+65x^8+10x^9+x^{10}, ...
|
|
CROSSREFS
|
Sequence in context: A167046 A088446 A076414 this_sequence A118823 A118826 A165663
Adjacent sequences: A098230 A098231 A098232 this_sequence A098234 A098235 A098236
|
|
KEYWORD
|
nonn,tabf
|
|
AUTHOR
|
N. J. A. Sloane (njas(AT)research.att.com), Oct 26 2004
|
|
|
Search completed in 0.002 seconds
|
