30583

Appears in sequences

• Numbers in which all pairs of consecutive base-4 digits differ by 2.at n=21A033082
• Base-4 digits are, in order, the first n terms of the periodic sequence with initial period 1,3.at n=7A037576
• Numbers whose base-4 representation contains exactly four 1's and four 3's.at n=20A045133
• a(n) in base 16 is a repdigit.at n=52A048340
• Family 1 "Rule 90 x Rule 150 Array" read by antidiagonals.at n=29A048710
• 2nd row of Family 1 "90 X 150 array": generations 0 .. n of Rule 90 starting from seed pattern 7.at n=6A048711
• Starting positions of strings of three 3's in the decimal expansion of Pi.at n=19A083610
• Number of commutative loops (quasigroups with an identity element) of order n.at n=9A089925
• Decimal representation of n-th iteration of the Rule 54 elementary cellular automaton starting with a single black cell.at n=7A118108
• a(1)=1. For n >= 2, each a(n) = the decimal equivalent of either a(k)U0Ua(k) or a(k)U1Ua(k), where U denotes concatenation of the binary representations of the arguments, and where k is some positive integer < n. The numbers are arranged in numerical order.at n=11A165784
• Base 10 representation of A240602.at n=37A165785
• Number of partitions of n+8 with largest inscribed rectangle having area <= n.at n=31A218629
• Number of partitions of n that are separable by the least part; see Comments.at n=49A239515
• A249183 seen as binary numbers.at n=7A249184
• Array read by antidiagonals: T(m,n) read in binary is a palindrome with m runs of n ones separated by single zeros.at n=18A249544
• Number of (n+3) X (1+3) 0..1 arrays with each row divisible by 15 and column not divisible by 15, read as a binary number with top and left being the most significant bits.at n=11A263119
• Decimal representation of the middle column of the "Rule 158" elementary cellular automaton starting with a single ON (black) cell.at n=14A265381
• Decimal representation of the n-th iteration of the "Rule 22" elementary cellular automaton starting with a single ON (black) cell.at n=7A266382
• Decimal representation of the n-th iteration of the "Rule 246" elementary cellular automaton starting with a single ON (black) cell.at n=7A267926
• Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 6", based on the 5-celled von Neumann neighborhood.at n=15A277934