22959

Appears in sequences

• a(n) = n*(7*n^2 - 1)/6.at n=27A004126
• Numerators of continued fraction convergents to cube root of 7.at n=8A005484
• Gaps of 10 in sequence A038593 (lower terms).at n=13A038659
• Numbers k such that floor(e^k) + 1 is prime.at n=6A059303
• Indices of primes in sequence defined by A(0) = 43, A(n) = 10*A(n-1) - 17 for n > 0.at n=17A101716
• a(n) = A007290(n+2) - 1 = 2*C(n+2,3) - 1.at n=40A108766
• Number of permutations of length n which avoid the patterns 2134, 3421, 4123.at n=12A116759
• Partial sums of 3-almost primes which are again 3-almost primes, i.e., have exactly 3 not necessarily distinct prime factors.at n=30A217018
• Number of nX7 0..1 arrays with every element unequal to 0, 1 or 3 king-move adjacent elements, with upper left element zero.at n=18A303681
• Expansion of the o.g.f. (1 + 8*x + 10*x^2 + 8*x^3 + x^4)/((1 - x)^4*(1 + x)^2).at n=26A342362