#N    (0,0)    (1,1)    (2,1)    (3,2)    (4,2)    (5,3)    (6,3)
#- -------- -------- -------- -------- -------- -------- --------
 5       35       47       35       47       35       47       35
 6       95      125       95      125       95      125       95
 7      242      325      242      325      242      325      242
 8      641      853      641      853      641      853      641
 9     1673     2227     1673     2227     1673     2227     1673
10     4393     5865     4393     5865     4393     5865     4393
11    11511    15335    11511    15335    11511    15335    11511
12    30283    40391    30283    40391    30283    40391    30283
13    79374   105855    79374   105855    79374   105855    79374
14   208982   278705   208982   278705   208982   278705   208982
15   548441   731541   548441   731541   548441   731541   548441