Number of (n+2)X(5+2) 0..2 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum less than the central column sum.
A258609
Number of (n+2)X(5+2) 0..2 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum less than the central column sum.
Terms
- a(0) =46060932a(1) =90782784a(2) =65662350a(3) =42003361a(4) =49848864a(5) =80442961a(6) =140873790a(7) =244766025a(8) =423931910a(9) =720707716a(10) =1218994536a(11) =2017986084a(12) =3322104840a(13) =5349167044a(14) =8565371976a(15) =13422381025a(16) =20921322092a(17) =31951562500a(18) =48551199120
External references
- oeis: A258609