122346

Appears in sequences

• Numbers k such that 2^k + prime(k)^2 is prime.at n=20A117588
• Mersenne numbers with digits sorted in increasing order and zeros suppressed.at n=17A135374
• Positive numbers with nondecreasing digits such that sum of cubes of the digits equals the square of the sum of the digits.at n=18A227072
• Numbers n such that (n + digit sum of n) and (n + digit product of n) are nontrivial permutations of the digits of n.at n=7A246421
• a(n) = n! * [x^n] exp(-n*x)/(1 - x)^n.at n=7A295182