32411

Properties

Appears in sequences

• Self-convolution of (1, p(1), p(2), ...).at n=28A023626
• Smallest nontrivial extension of n-th square which is a prime.at n=17A030685
• Numbers k such that 2*9^k + 1 is prime.at n=22A056802
• a(1) = 4; a(2n) = smallest prime that is a right concatenation of a(2n-1) and a number with no insignificant zeros and a(2n+1) = smallest prime ending in ( the least significant digits) a(2n-1). Alternate left and right concatenation yielding primes.at n=4A069616
• a(1) = 4; a(2n) = smallest prime starting (most significant digits) with a(2n-1). a(2n+1) = smallest prime ending (least significant digits)in a(2n).at n=4A069631
• Lesser of twin balanced primes (A090403).at n=15A096694
• Balanced primes of order nine.at n=17A096701
• a(n) = a(n-1) + 2*n^2 with a(1) = 1.at n=35A112524
• Numbers n such that A118799(n) = 0.at n=14A118578
• Numbers k such that the k-th triangular number contains only digits {2,5,6}.at n=12A119165
• Primes of the form 14k+1 generated recursively. Initial prime is 29. General term is a(n)=Min {p is prime; p divides (R^7 - 1)/(R - 1); Mod[p,7]=1}, where Q is the product of previous terms in the sequence and R = 7Q.at n=6A124992
• Numbers such that the digital sum base 2 and the digital sum base 5 and the digital sum base 10 all are equal.at n=27A135125
• Numbers such that the digital sums in bases 2, 3, 5 and 10 all are equal.at n=6A135128
• Primes of the form k^2 + 11.at n=13A138362
• Lesser of twin primes p1 such that p1*p2-4 and p1*p2-6 are twin prime numbers.at n=19A174957
• Number of n X n 0..2 arrays with every 1 immediately preceded by 0 to the left or above, no 0 immediately preceded by a 0, and every 2 immediately preceded by 0 1 to the left or above.at n=5A203174
• Number of nX6 0..2 arrays with every 1 immediately preceded by 0 to the left or above, no 0 immediately preceded by a 0, and every 2 immediately preceded by 0 1 to the left or above.at n=5A203179
• T(n,k) is the number of n X k 0..2 arrays with every 1 immediately preceded by 0 to the left or above, no 0 immediately preceded by a 0, and every 2 immediately preceded by 0 1 to the left or above.at n=60A203181
• Primes of the form abs(n^5 - 99n^4 + 3588n^3 - 56822n^2 + 348272n - 286397) in order of increasing nonnegative n.at n=14A272444
• Primes p whose binary representation p_2 is the decimal representation of a prime q; and also the sum of the decimal digits of p equals the sum of the digits of p_2.at n=5A281299