#N    (0,0)    (1,1)    (2,1)    (3,1)    (4,1)
#- -------- -------- -------- -------- --------
 5       34       54       49       42       34
 6       90      142      128      113       90
 7      234      362      330      295      234
 8      623      961      875      779      623
 9     1615     2484     2278     2045     1615
10     4289     6592     6014     5361     4289
11    11151    17154    15731    14104    11151
12    29518    45393    41478    36992    29518
13    77096   118627   108671    97329    77096
14   203589   313062   286373   255704   203589
15   533564   820518   751356   672641   533564