Decomposition of A202268
Numbers in which all digits are nonprimes (1, 4, 6, 8, 9).
Decomposition of A202822
Numbers of the form 3*(x^2 + xy + y^2 + x + y) + 1 where x and y are integers.
Decomposition of A205302
Greater of Hamming's twin primes.
Decomposition of A205511
Lesser of the n-th pair of Hamming twin primes.
Decomposition of A206038
Values of the difference d for 4 primes in arithmetic progression with the minimal start sequence {5 + j*d}, j = 0 to 3.
Decomposition of A206039
Values of the difference d for 5 primes in arithmetic progression with the minimal start sequence {5 + j*d}, j = 0 to 4.
Decomposition of A208177
Primes of the form 128*k + 1.
Decomposition of A208178
Primes of the form 256*k + 1.
Decomposition of Exponentially squarefree numbers
Exponentially squarefree numbers.
Decomposition of A209202
Values of the difference d for 3 primes in geometric-arithmetic progression with the minimal sequence {3*3^j + j*d}, j = 0 to 2.









