137827domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of form p = 2 + Sum_{k = 1..m} k^2 for some m.at n=14A065244Expansion of (1-x)/(1-x^2-2*x^3).at n=33A078026Number of partitions of n where the difference between consecutive parts is at most 9.at n=49A238869Prime numbersat n=12826