26532

Appears in sequences

• Convolution of the lower and upper Wythoff sequences (A000201 and A001950).at n=32A023664
• Number of reversible strings with n-1 beads of 2 colors. 5 beads are black. String is not palindromic.at n=19A032092
• 5-digit terms in the continued fraction for Pi.at n=27A048960
• Ooguri-Vafa invariants of disk domain wall degeneracies for brane I in the O(K) -> P^1 X P^1 geometry.at n=5A061605
• Numbers whose set of base 13 digits is {0,C}, where C base 13 = 12 base 10.at n=11A097259
• Number of permutations of length n which avoid the patterns 321, 2143, 3124; or avoid the patterns 132, 2314, 4312, etc.at n=43A116731
• Number of n X n arrays of squares of integers summing to 34.at n=1A159433
• Record differences for n^2 - phi(n)*sigma(n).at n=33A164876
• Number of connected graphs of odd girth at least 7 with n vertices.at n=10A165452
• Partial sums of near-repdigit primes A056710.at n=35A172983
• Least integer k > 1 such that pi(k)^2 + pi(k*n)^2 is a square, where pi(.) is the prime-counting function given by A000720.at n=15A255677
• Sum of the asymmetry degrees of all compositions of n with parts in {1,3}.at n=25A276057
• Ulam numbers k such that k/3 is also an Ulam number.at n=37A287212
• p-INVERT of (1,0,1,0,0,0,0,...), where p(S) = (1 - S)^2.at n=20A291725
• Number of planar maps with an external face and n internal triangular faces.at n=7A378190