73958
domain: N
Appears in sequences
- G.f.: (2*x+4*x^2+4*x^3+4*x^4+2*x^5)/((1-x)^2*(1-x^2)^3*(1-x^3)^4*(1-x^4)).at n=17A127790
- Number of n X 2 0,1 arrays indicating 2 X 2 subblocks of some larger (n+1) X 3 binary array having a sum of three or less, with rows and columns of the latter in lexicographically nondecreasing order.at n=35A227265
- Numbers that cannot be expressed as sum of at most nine repdigits numbers. One may not add two integers with the same repeated digit.at n=31A339673