70308

Appears in sequences

• Number of ways to partition n elements into pie slices of different sizes allowing the pie to be turned over.at n=41A032228
• Numbers m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,19.at n=10A064246
• a(n) = 4*n^3 + 4.at n=26A100214
• Triangle read by rows: numbers of isomers of unbranched a-4-catapolynonagons.at n=45A120650
• Unbranched a-4-catapolynonagons (see Brunvoll reference for precise definition).at n=7A121123
• Number of n X n X n triangular nonnegative integer arrays with all sums of an element and its neighbors <= 15.at n=3A166187
• Number of 3 X 3 X 3 triangular nonnegative integer arrays with all sums of an element and its neighbors <= n.at n=15A166189
• L.g.f.: Sum_{n>=1} x^n/n * Product_{d|n} (1 + d*x^(n/d))^d.at n=9A205481
• Number of (w,x,y,z) with all terms in {1,...,n} and w<=2x and y<=3z.at n=18A212513
• The hyper-Wiener index of the meta-polyphenyl chain with n hexagons (see the Dou et al. and the Deng references).at n=7A216111
• Number of unimodal compositions of n where the maximal part appears three times.at n=40A226541
• Number of partitions of n for which 2*(number of distinct parts) <= (number of parts).at n=46A237363
• Coefficients of mock modular form H_1^(4) (divided by 2).at n=19A256051
• Smallest k such that A261029(k) = n.at n=33A260935
• Number of nX7 integer arrays with each element equal to the number of horizontal and vertical neighbors differing from itself by exactly one.at n=11A266080
• Numbers k such that k = rad(k) * sopfr(k), where rad(k) is the squarefree kernel of k and sopfr(k) the integer log of k.at n=26A280935
• E.g.f. satisfies A(x) = (1 - x)^(log(1 - x) * A(x)).at n=7A357026
• Aliquot-like sequence based on the largest aliquot divisor of the sum of divisors of n (A371418) that starts with 222.at n=34A371423