244158

Appears in sequences

• N-equivalence classes of threshold functions of n or fewer variables.at n=6A002078
• Numbers m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,19.at n=22A064246
• Averages k of twin prime pairs such that A075255(k) is also the average of a twin prime pair.at n=29A340570