1247178944domain: NAppears in sequencesDenominator of Euler(n, 1/22).at n=7A156863Number of compositions of even natural numbers in 7 parts <= n.at n=21A191494Number of compositions of odd natural numbers into 7 parts <=n.at n=21A191900Numbers k such that k^6 is sum of two positive 7th powers.at n=10A291832