92248domain: NAppears in sequencesAn inverse Chebyshev transform of the Pell numbers.at n=12A100097Number of n X 2 0,1 arrays indicating 2 X 2 subblocks of some larger (n+1) X 3 binary array having a sum of zero, with rows and columns of the latter in lexicographically nondecreasing order.at n=38A227121