24469

Properties

Appears in sequences

• Numerators of coefficients of Green function for cubic lattice.at n=8A003282
• Primes with 14 as smallest positive primitive root.at n=18A061327
• Primes in which no digit is coprime to its neighbors.at n=32A088297
• a(0) = 0, a(1) = 1, a(2) = 1, a(3) = 2, a(4) = 4, for n>3: a(n+1) = SORT[a(n) + a(n-1) + a(n-2) + a(n-3)], where SORT places digits in ascending order and deletes 0's.at n=43A108564
• Primes that are the difference of two Lucas numbers; primes in A113191.at n=27A113192
• Primes p such that denominator of Sum_{k=1..p-1} 1/k^2 is a square and denominator Sum_{k=1..p-1} 1/k^3 is a cube and denominator Sum_{k=1..p-1} 1/k^4 is a fourth power.at n=22A127062
• Number of nX1 binary arrays with the number of 0-1 adjacencies equal to the number of 0-0 adjacencies.at n=18A183256
• Number of n X 4 binary arrays with rows and columns lexicographically nondecreasing and row and column sums nonincreasing.at n=35A266543
• Number of catafusenes with 2n hexagons and D_{2h}(a) symmetry.at n=17A342570
• Number of Dyck paths of semilength n such that neighboring peaks have different heights.at n=12A371705
• Primes having only {2, 4, 6, 9} as digits.at n=30A386156
• Prime numbersat n=2715