A102099 Column 1 of triangular matrix A102098, which shifts upward to exclude the main diagonal under matrix cube.

0, 2, 8, 152, 6200, 442552, 49399320, 8003532512, 1784040237288, 525504809786112, 198213959637435608, 93352856625931514024, 53776417402985961020144, 37244016639064540041311632

Offset: 0

Author

Paul D. Hanna, Dec 29 2004

Keywords

• nonn

Comments

Column 0 of A102098 is A082162.

Crossrefs

Cf. A102098, A082162, A102100.

Programs

PARI

{a(n)=local(A=matrix(2,2),B);A[1,1]=1; for(m=2,n+1,B=matrix(m,m);for(i=1,m, for(j=1,i, if(j==i,B[i,j]=j,if(j==1,B[i,j]=(A^3)[i-1,1], B[i,j]=(A^3)[i-1,j]));));A=B); return(A[n+1,2])}