20467
domain: N
Appears in sequences
- Increasing sequence with no repeating digits and no digits shared with previous term.at n=30A054659
- a(n) = n^3 + (n+1)^2.at n=27A100705
- a(n) = (2*n^3 + 9*n^2 + n + 24) / 6.at n=38A160805
- a(n) = n^2 + 731*n + 1.at n=27A180919
- Number of partitions p of n such that (number of numbers of the form 3k in p) is a part of p.at n=39A241546
- Partial sums of A255283.at n=48A255428
- Semiprimes whose binary and ternary representations are prime when read in decimal.at n=24A279052
- Numbers k such that s(k) = s(k+1), where s(k) is the unitary analog of the alternating sum-of-divisors function (A307037).at n=13A333408