38583

Appears in sequences

• Expansion of (1-x)^(-1)/(1+x-2*x^2+2*x^3).at n=14A077900
• a(1) = 2; then smallest palindrome > 1 not occurring earlier such that every partial concatenation is a prime.at n=39A088086
• Triangle, read by rows, of coefficients in powers of e.g.f. for A100076 such that, for each row n>=0, Sum_{k=0..n} T(n,k)/k! = [sqrt(5)^n].at n=50A100075
• Number of permutations of length n which avoid the patterns 1234, 3421, 4312.at n=42A116756
• Number of decompositions of highly composite numbers (A002182) into unordered sums of two primes.at n=41A228943
• Sum_{ i in 1..p-1, j in 1..p-1, i*j mod p = 1} i*j, where p = n-th prime.at n=15A272650