24202
domain: N
Appears in sequences
- Numbers k such that the continued fraction for sqrt(k) has period 73.at n=15A020412
- a(n) = A027052(n, 2n-3).at n=10A027059
- Greatest number in row n of array T given by A027052.at n=12A027071
- Decimal part of n-th root of a(n) starts with digit 4.at n=28A034081
- Lower triangular matrix T with first column and diagonal (1,2,3,4,...,n,...) and otherwise satisfying T(i,j) = Sum_{k=1..j} T(i-j+1,k)*T(j,k), read by rows.at n=48A135835
- Lower triangular matrix T with first column and diagonal (1,2,3,4,...,n,...) and otherwise satisfying T(i,j) = Sum_{k=1..j} T(i-j+1,k)*T(j,k), read by rows.at n=51A135835
- G.f.: x^4*(2 - x^2 + x^3 + x^4)/(1-x-x^2)^3.at n=16A229732
- a(n) = Sum_{i=0..n} digsum_9(i)^4, where digsum_9(i) = A053830(i).at n=19A231687
- Composite numbers whose concatenation of their aliquot parts, in descending order, is a palindrome.at n=30A249301
- Magic sums of 4 X 4 semimagic squares composed of consecutive primes.at n=22A270864
- Number of unlabeled rooted identity trees with n nodes in which the branches of any node with more than one branch have empty intersection.at n=16A316500