117480
domain: N
Appears in sequences
- Binomial coefficient C(6n,n-12).at n=3A004367
- Dodecahedral numbers: a(n) = n*(3*n - 1)*(3*n - 2)/2.at n=30A006566
- Binomial coefficients C(n,87).at n=3A017751
- Binomial coefficients C(90,n).at n=3A017806
- a(n) = (prime(n) - 1)*(prime(n) - 3)*(prime(n) - 5)/48.at n=40A030004
- Aliquot sequence starting at 840 (reaches 1 at 747th term).at n=6A045477
- [ (phi + sqrt(phi))^n ], phi = (1+sqrt(5))/2.at n=11A050242
- 1/6 of product of three numbers: n-th prime, previous and following number.at n=23A127920
- Quarter-square tetrahedrals: a(n) = k*(k - 1)*(k - 2)/6, k = A002620(n).at n=19A217482
- a(n) = (5*n + 3)*(5*n + 4)*(5*n + 5)/6.at n=17A300522
- Infinitary aliquot sequence starting at 840: a(1) = 840, a(n) = A126168(a(n-1)), for n >= 2.at n=6A361421