25168

Appears in sequences

• Numbers k whose decimal representation, read as a base-12 value and divided by k, yields an integer.at n=18A032555
• a(n) = a(1) + a(2) + ... + a(n-1) - a(m) for n >= 4, where m = n - 1 - 2^p and p is the unique integer such that 2^p < n - 1 <= 2^(p+1), starting with a(1) = 1, a(2) = 3, and a(4) = 4.at n=15A049930
• (Terms in A029617)/2.at n=32A051432
• (Terms in A029631)/2.at n=37A051458
• Image of partition numbers (A000041) under "little Hankel" transform that sends [c_0, c_1, ...] to [d_0, d_1, ...] where d_n = c_n^2 - c_{n+1}*c_{n-1}.at n=30A056222
• Smallest m such that A066088(m) = A001221(A001157(m)) = n.at n=8A066089
• a(0)=1; a(n) = sigma_1(n) + sigma_3(n).at n=28A092345
• a(n) = (n+1)*(n+2)^2*(n+3)*(n+4)*(3*n+5)/240.at n=9A114243
• Totally multiplicative sequence with a(p) = 2*(5p+1) = 10p+2 for prime p.at n=19A167337
• Terms of A177763 which have more than one such representation.at n=22A177766
• Number of (n+2) X 4 binary arrays avoiding patterns 001 and 101 in rows and columns.at n=8A202196
• Number of permutations that end with a consecutive pattern 123, and avoid consecutive patterns 123 and 213 elsewhere.at n=11A371943
• Number of spanning trees in the n-triangular honeycomb bishop graph.at n=3A384846
• Number of integer compositions of n that are the first sums of a unique composition.at n=28A391644