20108

Appears in sequences

• Numbers m such that 2^m reversed is prime.at n=29A057708
• Unicode codes for the Han digits.at n=2A061745
• Multiples of 11 with digit sum 11, with no zero digits in odd places.at n=17A083512
• Expansion of 1/(1 - x - x^2 + x^4 - x^6).at n=25A117791
• Numbers k such that 8*10^k - 49 is prime.at n=30A271269
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 377", based on the 5-celled von Neumann neighborhood.at n=30A271463
• Numbers n such that Bernoulli number B_{n} has denominator 690.at n=33A272186
• Numbers with digit sum 11 that are multiples of 11.at n=26A283742
• a(n) is the number of integer partitions of n for which the greatest part minus the least part is equal to the index of the seaweed algebra formed by the integer partition paired with its weight.at n=55A318176
• Numbers k such that 351*2^k+1 is prime.at n=33A323032
• Numbers k such that 427*2^k+1 is prime.at n=32A323114
• a(n) = number of partitions p of n such that the least multiplicity of the parts of p is not a part of p.at n=47A365615