542640
domain: N
Appears in sequences
- Numbers that can be expressed as the difference of the squares of primes in exactly fifteen distinct ways.at n=3A092011
- a(n) = binomial(n+3,3)*binomial(n+6,3).at n=13A105939
- a(n) = (3n + 2)*binomial(3n + 1,n).at n=6A144485
- Numbers with prime factorization pqrstu^4.at n=8A190388
- The positions of records in A236747.at n=23A237267
- Number of different 3 against 3 matches given n players.at n=21A271040
- Irregular triangle T giving the coefficients of x^n = x^{2*e2 + 3*e3} of (1 + x^2 + x^3)^n, with the pair of nonnegative numbers [e2, e3] listed in row n of A321201, for n >= 2.at n=39A321203
- Irregular triangle read by rows in which the n-th row lists multinomials for partitions of 3n which have only parts which are multiples of 3, in Hindenburg order.at n=33A327003
- Triangle read by rows T(n, k) = binomial(2*n, k) * binomial(3*n - k, 2*n).at n=29A357613
- Triangle read by rows: T(n, m) = (n+1-m)*C(2*n+2-m, m)*C(3*n-3*m+2, n-m+1)/(2*n-m+2).at n=29A360546