24002domain: NAppears in sequencesa(0) = 1, a(n) = 15*n^2 + 2 for n>0.at n=40A010005First occurrence of exactly n 0's in the binary expansion of sqrt(2).at n=17A084187Partial sums of A108754.at n=43A307673Number of rises in all compositions of n with parts in {1,2,3} and adjacent differences in {-1,1}.at n=43A383549