Alternating sums of squares of Bell numbers (A000110).
A217144
Alternating sums of squares of Bell numbers (A000110).
Terms
- a(0) =1a(1) =0a(2) =4a(3) =21a(4) =204a(5) =2500a(6) =38709a(7) =730420a(8) =16409180a(9) =430786429a(10) =13019414196a(11) =447437830704
External references
- oeis: A217144