Jason Kimberley, <a href="/wiki/User:Jason_Kimberley/D_k-reg_girth_eq_g_index">Index of sequences counting disconnected k-regular simple graphs with girth exactly g</a>

Jason Kimberley, <a href="/wiki/User:Jason_Kimberley/D_k-reg_girth_eq_g_index">Index of sequences counting disconnected k-regular simple graphs with girth exactly g</a>

proposed

approved

editing

proposed

Jason Kimberley, <a href="/A210718/b210718.txt">Table of n, a(n) for n = 0..77</a>

0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 7, 7, 9, 10, 12, 13, 16, 17, 21, 23, 27, 30, 36, 39, 46, 51, 60, 66, 77, 85, 99, 110, 126, 140, 162, 179, 205, 228, 261, 289, 329, 365, 416, 461, 524, 579, 669, 726, 976, 909, 5378, 1134, 267829, 1411, 20814163, 1754

nonn,more,hard,changed

allocated for Jason KimberleyNumber of disconnected regular simple graphs on n vertices with girth exactly 8.

0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 7, 7, 9, 10, 12, 13, 16, 17, 21, 23, 27, 30, 36, 39, 46, 51, 60, 66, 77, 85, 99, 110, 126, 140, 162, 179, 205, 228, 261, 289, 329, 365, 416, 461, 524, 579, 669, 726, 976, 909, 5378, 1134, 267829, 1411, 20814163, 1754

0,25

Jason Kimberley, <a href="/wiki/User:Jason_Kimberley/D_k-reg_girth_eq_g_index">Index of sequences counting disconnected k-regular simple graphs with girth exactly g</a>

a(n) = A185218(n) - A185219(n).

allocated

nonn,more,hard,new

Jason Kimberley, Dec 19 2012

approved

editing

allocating

allocated

allocated for Jason Kimberley

allocating

approved