Half the number of 0..n arrays of length 9 with second differences nonzero.

A212788

Half the number of 0..n arrays of length 9 with second differences nonzero.

Terms

    a(0) =55a(1) =2385a(2) =54793a(3) =465336a(4) =2780392a(5) =12025596a(6) =43129809a(7) =129984123a(8) =351172313a(9) =852813984a(10) =1922215028a(11) =4035429570a(12) =8030912421a(13) =15179187087a(14) =27570308959a(15) =48164526258a(16) =81559118508a(17) =133992393064a(18) =214705512971a(19) =335752649443

External references