#N   (0,-1)    (1,0)    (2,0)    (3,0)    (4,0)    (5,0)    (6,0)    (7,0)    (8,0)    (9,0)   (10,0)
#- -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- --------
 5       55       34       41       47       48       49       49       49       50       51       55
 6      144       89      111      120      129      130      131      132      133      139      144
 7      377      233      284      312      324      337      339      341      350      357      377
 8      992      610      756      817      863      880      899      913      924      957      992
 9     2600     1602     1959     2136     2219     2300     2339     2377     2434     2485     2600
10     6843     4202     5187     5603     5879     6027     6184     6306     6413     6605     6843
11    17958    11045    13531    14700    15283    15785    16136    16485    16859    17242    17958
12    47268    29005    35736    38627    40393    41505    42567    43486    44401    45616    47268
13   124121    76275    93568   101469   105656   108900   111446   113969   116536   119428   124121
14   326776   200513   246816   267085   278834   286735   293779   300168   306884   315010   326776
15   858004   527410   647897   702042   731633   753131   770644   787766   805247   826199   858004