24547

Properties

Appears in sequences

• a(n) = ceiling(sqrt( 2*Pi )^n).at n=11A001698
• a(n) = 3*(2^n-1) - 2*n.at n=13A050488
• a(1) = 1; thereafter a(n) is the smallest number > a(n-1) such that a(n) minus any sum of distinct earlier terms is not already in the sequence.at n=13A066425
• a(n) = floor(X/Y) where X = concatenation in decreasing order of (2n)-th even number to (n+1)-th even number and Y = that of first n even numbers in increasing order.at n=14A067092
• Primes which are the concatenation of numbers n_1, n_2, n_3, in that order, with n_1 + n_2 = n_3 (leading zeros are forbidden for nonzero n_i).at n=40A067860
• Expansion of (1-x)^(-1)/(1 - x - 2*x^2 + 2*x^3).at n=24A077866
• Partial sums of A000960.at n=44A099074
• a(n) = 6*2^n - 2*n - 5.at n=12A142964
• a(n) = 68*n^2 - 1.at n=18A158730
• a(n) = Lucas(n+1) + prime(n).at n=19A160243
• Primes p such that reversal(p) - 13 is a square.at n=26A176371
• Primes that are the average of the members of emirp pairs.at n=19A178581
• Nonpalindromic primes that are the average of the members of emirp pairs.at n=11A178585
• Primes that are the average of the members of more than one emirp pair.at n=3A178587
• Smallest prime that is the average of the members of exactly n emirp pairs.at n=2A178589
• Least prime p such that pi(p*n)^2 + 1 = prime(q*n) for some prime q.at n=7A260219
• a(n) = 17*n^2 - 1.at n=38A321180
• Numbers k such that 407*2^k+1 is prime.at n=23A323103
• Numbers k such that A015525(k) is prime.at n=12A323353
• Discriminants of imaginary quadratic fields with class number 35 (negated).at n=33A351673