91854
domain: N
Appears in sequences
- Triangle of coefficients of certain polynomials (exponents in decreasing order).at n=40A033842
- Triangular matrix arising in enumeration of catafusenes, read by rows.at n=61A038763
- Triangle of coefficients of certain polynomials (exponents in increasing order), equivalent to A033842.at n=40A049323
- Digital sum of n = sum of palindromes from the smallest prime factor of n to the largest prime factor of n.at n=32A074310
- Triangle of generalized Chebyshev coefficients.at n=48A080419
- a(n) = (n+1)*(n+2)*(n+3)*(n+12)*3^n/72.at n=6A080422
- 9th binomial transform of (1,1,0,0,0,0,0,...).at n=5A081109
- Number of meaningful differential operations of the n-th order on the space R^8.at n=17A090993
- (n^2-n)*3^n.at n=7A128797
- a(1)=1, a(n)=a(n-1)+n^2 if n odd, a(n)=a(n-1)+ n^3 if n is even.at n=27A140149
- a(n) = 9^n*Catalan(n).at n=4A156273
- Fibonacci matrix read by antidiagonals. (Inverse of A136158.)at n=59A164948
- Totally multiplicative sequence with a(p) = 5p-1 for prime p.at n=47A166654
- a(n) = n^8*(n^3 + 1)/2.at n=3A170775
- Partial sums of A007202 (crystal ball sequence for hexagonal close-packing).at n=17A186707
- a(n) = T(n)^3 + n^3 where T(n) is a triangular number.at n=8A193576
- Number of (w,x,y,z) with all terms in {0,...,n} and max{w,x,y,z}>2*min{w,x,y,z}.at n=17A212743
- a(n) = n^4 if n odd, 7*n^4/8 if n even.at n=18A309338
- Triangle related to the partitions of n in three colors, read by rows.at n=24A383348