[seqfan] more A034881

[Don Reble]

    Here's more of A034881

    1,2,6,18,30,270,606,123120,888456,23070450,238550160,8282903640,
    72789145650,15681266370000,18216437241240

    No more below 2x10^16.

-- 
Don Reble  djr at nk.ca