99918

Appears in sequences

• Number of fullerenes with 2n vertices (or carbon atoms).at n=35A007894
• Numbers k such that (1/k) * Sum_{d|k} d*sigma(d) is an integer.at n=22A069520
• a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 91.at n=4A093291
• a(n) = A000203(n) * A024916(n).at n=35A143238
• Numbers n such that for every k = 1, 2, ..., A305706(n)-1, it is possible to insert plus signs into the decimal representation of n^k to make sum equal n.at n=63A305707
• Numbers without comma-successors: these are the numbers k such that if the commas sequence A121805 is started at k instead of 1, there is no second term.at n=24A367341