[1,1,3,14,80,516,3608,26729,206808,1655232,13612512,114466491,980575020,8533242324,75267759072,671721353474,6056517394512,55104831724236,505422858053560,4669306663437888,43418090784597696,406109012334694211,3818890067546807794]