48736

Appears in sequences

• a(n)=a(n-1)+a(n-4).at n=33A014098
• a(0) = a(1) = 1; a(n) = a(n-1) + (n+1)*a(n-2).at n=10A059480
• Numbers k such that 2^k ends in k.at n=3A064541
• Numbers n such that n and 2^n end with the same 4 digits.at n=4A067867
• Numbers n such that n and 2^n end with the same 5 digits.at n=0A067869
• Numbers n such that 2*p(n)+3, 2*p(n+1)+3, 2*p(n+2)+3 are consecutive primes, where p(i) denotes the i-th prime.at n=29A088066
• a(2) = 36; for n >= 3, a(n) = 2^a(n-1) mod 10^n.at n=3A109405
• a(n) is the smallest number k such that k and 2^k have the same last n digits. Here k may have fewer than n digits and can be padded with leading zeros (cf. A121319).at n=4A113627
• a(n) is the smallest number k such that k and 2^k have the same last n digits. Here k must have at least n digits (cf. A113627).at n=4A121319
• Number of planar Berge perfect graphs on n nodes.at n=8A123449
• The Wiener index of the graph \|/_\/_\/_..._\/_\|/ having n nodes on the horizontal path.at n=28A180571
• a(n) = 2^^(n+2) modulo 10^n, where ^^ denotes a power tower (see A133612).at n=4A206636
• Number of arrays of the median of three adjacent elements of some length-6 0..n array.at n=14A228741
• Number of permutations of [n] avoiding {1324, 2413, 3421}.at n=11A294803