22744
domain: N
Appears in sequences
- Coordination sequence for alpha-Mn, Position Mn2.at n=39A009951
- The 28-cycle of the n => sigma(n)-n process, where sigma(n) is the sum of divisors of n (A000203).at n=25A072890
- Expansion of (1-4x+12x^2-16x^3+8x^4)/(1-x)^5.at n=28A119327
- Conjectured list of sociable numbers.at n=9A122726
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 443", based on the 5-celled von Neumann neighborhood.at n=30A272227
- Conjectured list of numbers which are perfect, amicable, or sociable.at n=29A347770
- a(n) = number of degree n rational curves in the complex projective plane which satisfy an order 3n-1 local tangency constraint.at n=6A364973