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Search: id:A099169
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| A099169 |
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1/n * Sum[k=0..n-1, C(n,k)*C(n,k+1)*(n-1)^k ]. |
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2
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| 1, 2, 11, 100, 1257, 20076, 387739, 8766248, 226739489, 6595646860, 212944033051, 7550600079672, 291527929539433, 12169325847587832, 545918747361417291, 26183626498897556176, 1336713063706757646465
(list; graph; listen)
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