0

0

1

1

1

1

1

1

1

1

1

1

1

0

0

1

2

6

10

15

21

28

36

45

55

66

0

0

1

4

10

20

35

56

84

120

165

220

286

0

0

1

5

15

35

70

126

210

330

495

715

1001

0

0

1

6

21

56

126

252

462

792

1287

2002

3003

0

0

1

7

28

84

210

462

924

1716

3003

5005

8008

0

0

1

8

36

120

330

792

1716

3432

6435

11,440

19,448

0

0

1

9

45

165

495

1287

3003

6435

12,870

24,310

43,758

0

0

1

10

55

220

715

2002

5005

11,440

24,310

48,620

92,378

0

0

1

11

66

286

1001

3003

8008

19,448

43,758

92,378

184,756

0

0

1

12

78

364

1365

4368

12,376

31,824

75,582

167,960

352,716

0

0

1

13

91

455

1820

6188

18,564

50,388

125,970

293,930

646,646

0

0

1

14

105

560

2380

8568

27,132

77,520

203,490

497,420

1,144,066

0

0

1

15

120

680

3060

11,628

38,760

116,280

319,770

817,190

1,961,256