99976

Appears in sequences

• Numbers m such that m^2 can be obtained from m by inserting an internal block of (contiguous) digits.at n=27A045953
• Numbers k such that k^2 can be obtained from k by inserting a block of digits.at n=35A046838
• Write n in binary and interpret as a decimal number; a(n) is this quantity minus n.at n=34A228071
• Write n in binary and interpret as a decimal number; a(n) is this quantity minus n.at n=35A228071
• Numbers n such that n, n+1, n+2, n+3, and n+4 are not divisible by any of their nonzero digits.at n=17A244359
• Number of permutations of [n] with equal lengths of the longest increasing subsequence and the longest decreasing subsequence.at n=8A321313