80269domain: NAppears in sequencesNumbers that are the sum of 8 positive 9th powers.at n=33A003397Triangle read by rows: T(n,m) = one-half of number of embeddings of the n-wheel with k = n+1-2m regions (n >= 1, 0 <= m <= floor(n/2)).at n=21A301731Numbers k such that 323*2^k+1 is prime.at n=16A322954