124416

Appears in sequences

• Card matching: coefficients B[n,1] of t in the reduced hit polynomial A[n,n,n](t).at n=5A000279
• MU-numbers: next term is uniquely the product of 2 earlier terms.at n=36A007335
• Numbers of form 3^i*8^j, with i, j >= 0.at n=38A025615
• Numbers of form 4^i*6^j, with i, j >= 0.at n=35A025618
• Theta series of 10-dimensional lattice (C6 X SU(4,2)):C2 with minimal norm 4.at n=10A029770
• Triangle whose (i,j)-th entry is binomial(i,j)*12^(i-j)*12^j.at n=12A038338
• Positive numbers n such that n is a multiple of (product of digits of n) * (sum of digits of n).at n=24A049102
• For an integer k with prime factorization p_1*p_2*p_3* ... *p_m let k* = (p_1+1)*(p_2+1)*(p_3+1)* ... *(p_m+1) (A064478); sequence gives k such that k* is divisible by k.at n=21A064476
• Triangle with columns built from certain power sequences.at n=39A067417
• Fourth column of triangle A067417.at n=5A067419
• Triangle with columns built from certain power sequences.at n=30A067425
• Sixth column of triangle A067425.at n=4A067426
• 14-almost primes (generalization of semiprimes).at n=13A069275
• 5-full numbers: if a prime p divides k then so does p^5.at n=33A069492
• Smallest number with a prime signature whose indices are the decimal digits of n.at n=59A069877
• Values of x in positive integer solutions of x^2 + y^5 = z^3, listed in increasing order of z. (If a z-value occurs twice, list solutions in increasing order of y.)at n=12A070065
• a(1) = 1, a(n) = a(n-1) times largest divisor of n <= n^(1/2).at n=20A072488
• 3 people at a party are saying Hello to each other. Person 1 says Hello. Person 2 counts the times Hello has been said and says Hello twice that number. Person 3 says Hello 3 times the sum of Hello's and then it is Person 1 again. This is how many Hello's each person says.at n=11A076505
• a(n) = (a(n-1) * a(n-6) + a(n-3) * a(n-4)) / a(n-7) (a variant of Somos-7).at n=20A078495
• Least common multiple of first n 3-smooth numbers.at n=33A096075