49595
domain: N
Appears in sequences
- Step at which n is expelled in Kimberling's puzzle (A035486).at n=18A006852
- Expansion of (1-x^5) / (1-x)^5.at n=39A008487
- Number of ordered quadruples (i,j,k,l) in range [0..n] satisfying i == j (mod 2), j == k (mod 3) and k == l (mod 4).at n=32A115523
- Expansion of 1 + Sum_{n>=1} (x^(n^2) / Product_{k>=n} (1 - x^k)).at n=42A188216
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 809", based on the 5-celled von Neumann neighborhood.at n=36A273612
- a(n) = (A001359(n+1)^2 - 1)/24, where A001359 = lesser of twin primes; or: pentagonal numbers (A000326) whose indices are twin ranks (A002822).at n=38A308344
- Pentagonal numbers which are products of four distinct primes.at n=29A381919