23933

Appears in sequences

• T(n,n-6), where T is the array in A055830.at n=13A055833
• Products of three distinct happy primes A035497.at n=35A154717
• Shifts 7 places left under Euler transform with a(0)=0 and a(n)=1 for n<7.at n=33A218024
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 289", based on the 5-celled von Neumann neighborhood.at n=33A271127
• Numbers k such that (5*10^k + 211)/9 is prime.at n=18A295970
• Partial sums of A299272.at n=26A299273
• Odd numbers k such that s(k) = s(k+2), where s(k) is Schemmel's totient function of order 2 (A058026).at n=2A330902
• a(n) is the start of the first run of exactly n consecutive numbers not of the form x^2 + x*y + y^2.at n=18A357020