24804
domain: N
Appears in sequences
- a(n) = (5*n+1)*(5*n+4).at n=31A001545
- Sum of the first n even squares: a(n) = 2*n*(n+1)*(2*n+1)/3.at n=26A002492
- Binomial coefficient C(6n,n-6).at n=3A004361
- Sum of 12 positive 9th powers.at n=23A004801
- Dodecahedral numbers: a(n) = n*(3*n - 1)*(3*n - 2)/2.at n=18A006566
- Even tetrahedral numbers.at n=39A015220
- Binomial coefficients C(n,51).at n=3A017715
- Binomial coefficients C(54,n).at n=3A017770
- Powers of fifth root of 7 rounded up.at n=26A018134
- (prime(n)-5)(prime(n)-7)(prime(n)-9)/48.at n=27A030002
- a(n) = (prime(n) - 1)*(prime(n) - 3)*(prime(n) - 5)/48.at n=27A030004
- McKay-Thompson series of class 24I for Monster.at n=30A058579
- Engel expansion of sinh(1/3).at n=26A068380
- Number of positions that are exactly n moves from the starting position in the Lights Out Cube puzzle.at n=3A079876
- Number of partitions of n with more odd parts than even parts.at n=39A108950
- 1/6 of product of three numbers: n-th prime, previous and following number.at n=15A127920
- In triangular peg solitaire, number of distinct feasible pairs starting with one peg missing and finishing with one peg.at n=34A130515
- In triangular peg solitaire, number of distinct solvable feasible pairs starting with one peg missing and finishing with one peg.at n=34A130516
- McKay-Thompson series of class 24I for the Monster group with a(0) = 2.at n=30A138688
- Tetrahedral numbers k*(k+1)*(k+2)/6 such that exactly one of k, k+1, and k+2 is prime.at n=30A144521