27337

Properties

Appears in sequences

• Coefficients of Bell's formula for making change.at n=6A002575
• Powers of fourth root of 7 rounded down.at n=21A018063
• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 15.at n=19A031603
• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 90 ones.at n=29A031858
• Numbers having four 4's in base 9.at n=5A043472
• Numbers whose base-3 representation contains exactly one 0 and no 2's.at n=38A044994
• Primes in A003154.at n=33A083577
• Number of ways associated with A088959.at n=28A088111
• Primes from merging of 5 successive digits in decimal expansion of exp(2).at n=8A105001
• Numbers k such that k, k+1, k+2 and k+3 are 1,2,3,4-almost primes.at n=24A113000
• Rectangular table where column k equals row sums of matrix power A078121^k, read by antidiagonals.at n=38A125790
• Column 2 of table A125790; also equals row sums of matrix power A078121^2.at n=6A125792
• First primes of an arithmetic progression of six primes with common difference 30.at n=10A156204
• Integers k such that A166100(k)/A005408(k) is not an integer.at n=36A166101
• Smallest primes p = p(k) with (p(k)+p(k+1)+p(k+2))/15 an integer.at n=23A168556
• Sequence defined by the recurrence formula a(n+1)=sum(a(p)*a(n-p)+k,p=0..n)+l for n>=1, with here a(0)=1, a(1)=5, k=0 and l=1.at n=7A176609
• a(n) = 2^n - A210109(n).at n=16A210145
• Number of partitions of 2^n into powers of 2 less than or equal to 64.at n=7A210775
• Primes that contain only the digits (2, 3, 7).at n=37A214704
• First primes of arithmetic progressions of 5 primes each with the common difference 30.at n=41A227281