Sum of the sizes of the eighth blocks in all set partitions of {1,2,...,n}.
A270500
Sum of the sizes of the eighth blocks in all set partitions of {1,2,...,n}.
Terms
- a(0) =1a(1) =38a(2) =842a(3) =14303a(4) =207186a(5) =2704647a(6) =32890525a(7) =380797185a(8) =4261887992a(9) =46630717274a(10) =503083676180
External references
- oeis: A270500