44183domain: NAppears in sequencesConvolution of odd numbers and primes.at n=33A023662Analog of A006684 for the 5x+1 problem (cf. A133419).at n=21A133423Number of nondecreasing -n..n vectors of length 4 whose dot product with some nondecreasing -n..n vector equals 4.at n=14A226412