41270domain: NAppears in sequencesExpansion of 1/(1 - x - x^5 + x^6 - x^7 - x^11 + x^12).at n=43A225500Sum of the even singletons in all partitions of n (n>=0). A singleton in a partition is a part that occurs exactly once.at n=30A276425Sum of the fourth powers of the parts in the partitions of n into two parts.at n=11A294271