188536domain: NAppears in sequencesNumber of ways of partitioning the set of the first n positive squares into two subsets whose sums differ at most by 1.at n=29A307877Number of solutions to +-1^2 +- 2^2 +- 3^2 +- ... +- n^2 = 0 or 1.at n=29A350403Number of solutions to +- 1^2 +- 2^2 +- 3^2 +- ... +- n^2 = 1.at n=29A369730