10210200

Appears in sequences

• Numbers that can be expressed as the difference of the squares of primes in exactly eighteen distinct ways.at n=13A092014
• Smallest n-digit number m such that phi(m) is minimal.at n=7A147550
• Numbers with exactly 7 distinct prime divisors {2,3,5,7,11,13,17}.at n=18A147574
• Sums of 2 distinct primorials.at n=34A177689
• Square array A(row,col) = Sum_{k=0..row} binomial(row,k)*A002110(col+k), read by descending antidiagonals as A(0,0), A(0,1), A(1,0), A(0,2), A(1,1), A(2,0), ...at n=37A276586
• Transpose of square array A276586.at n=43A276587
• Row 2 of A276945: a(n) = A002110(n) + A002110(n+1).at n=7A276939
• Square array A(row,col) read by antidiagonals: A(1,col) = A276155(col), and for row > 1, A(row,col) = A276154(A(row-1,col)); Dispersion of primorial base left shift A276154 (array transposed).at n=43A276943
• Square array A(row,col): A(row,1) = A276155(row), and for col > 1, A(row,col) = A276154(A(row,col-1)); Dispersion of primorial base left shift A276154.at n=37A276945
• Numbers that are sums of consecutive primorial numbers.at n=37A351125
• Noncubefree numbers k such that A073185(k) > 2*k.at n=27A357700
• Triangle read by rows: T(n,k) = A002110(n) + A002110(k), 0 <= k <= n; sums of two primorials, not necessarily distinct.at n=43A370121
• Triangle read by rows: T(n,k) = A002110(n) + A002110(k), 1 <= k <= n; sums of two primorials > 1, not necessarily distinct.at n=34A370134
• Numbers k such that k is a multiple of A327860(k), where A327860 is the arithmetic derivative of the primorial base exp-function.at n=23A380527