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例子
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渐近行为可以在第四行函数中证明：
R_4（y）=1+4*y+9*y^2/2！+27*y^3/3！+16*y^4/4！+32*y^5/5！+y^6/6！+y^7/7！；
R_4（1）=14.93492…=（0.895684…）*R^4，其中R=2.0207473586。。。
行开始：
[1]
[1, 1],
[1, 2, 1, 1],
[1, 3, 4, 8, 1, 1],
[1, 4, 9, 27, 16, 32, 1, 1],
[1, 5, 16, 64, 81, 243, 64, 128, 1, 1],
[1, 6, 25, 125, 256, 1024, 729, 2187, 256, 512, 1, 1],
[1, 7, 36, 216, 625, 3125, 4096, 16384, 6561, 19683, 1024, 2048, 1, 1],
...
[1, 0, 0, 0, 0, 0, 0, ...],
[1, 1, 1, 1, 1, 1, 1, ...],
[1, 2, 4, 8, 16, 32, 64, ...],
[1, 3, 9, 27, 81, 243, 729, ...],
[1, 4, 16, 64, 256, 1024, 4096, ...],
[1, 5, 25, 125, 625, 3125, 15625, ...],
...
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