53376

Appears in sequences

• Number of walks on cubic lattice.at n=15A005571
• Growth series for Heisenberg group.at n=32A063810
• Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,11.at n=22A064242
• Sizes of successive increasing gaps between 3-smooth numbers.at n=46A084788
• Expansion of (1+3*x+9*x^2+9*x^3+9*x^4+3*x^5+x^6) /( (1+x)^2 * (1-x)^5 ).at n=19A175898
• a(n) = (35*n^4 - 35*n^3 + 55*n^2 - 25*n + 6)/6.at n=9A181343
• Triangle read by rows: Number of 2n-step self-avoiding walks on diamond lattice ending at point with x = 2k.at n=24A227715
• Number of partitions p of n such that the number of distinct parts is not a part and max(p) - min(p) is not a part.at n=46A241390
• Number of (n+2)X(2+2) 0..3 arrays with every 3X3 subblock row and column sum equal to 2 3 4 6 or 7 and every 3X3 diagonal and antidiagonal sum not equal to 2 3 4 6 or 7.at n=8A252161
• Number of subsets of {1..n} containing all of their integer quotients > 1.at n=20A326079
• a(n) is the number of compositions of n into prime parts, with the 1st part equal to 2, the 2nd part less than or equal to 3, ..., and the k-th part less than or equal to prime(k), and so on.at n=34A359388