65100

Appears in sequences

• Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,51.at n=18A064262
• Numbers j such that j and 2j are both between a pair of twin primes.at n=18A066388
• Number of quinternary cubefree words of length n.at n=7A068539
• Area of the Pythagorean triangle a = u^2 - v^2 (cf. A096382) when u=3, v=4,4,5,...at n=24A096383
• a(n)= n * reversal(n-1) * reversal(n+1).at n=24A160936
• Numbers m such that exactly four subsets of {m-1, m, m+1} sum up to a prime number.at n=21A221310
• Triangle read by rows: T(m,n) = number of ways of distributing n distinguishable balls into m distinguishable bins of size 3 where empty bins are permitted (m >= 1, 1 <= n <= 3m).at n=36A248845
• Expansion of g.f. 1 / Product_{n>=0} (1 - x^(n+3))^((n+1)*(n+2)/2!).at n=22A264923
• a(n) = 6*n*(9*n-5).at n=35A277984
• Number of permutations of [n] avoiding {2143, 1432, 1324}.at n=10A294048
• Irregular triangle in which row n lists numbers m such that A330073(m,n) = 1.at n=55A331272
• Numbers k such that the sum of the squares of the odd divisors of k (A050999) is divisible by k.at n=24A355543
• Numbers k sandwiched between twin primes, such that k times the reverse of k is also sandwiched between twin primes.at n=39A357076