A343134 Positions of records in A188169.

1, 9, 81, 153, 891, 1377, 3825, 11025, 15147, 31977, 95931, 187425, 287793, 675675, 1091475, 1576575, 1686825, 2027025, 2297295, 3828825, 6185025, 11486475, 18555075, 26801775, 34459425, 43648605, 72747675, 117515475, 218243025, 352546425, 509233725, 654729075, 1003917915

Offset

1,2

Links

Table of n, a(n) for n=1..33.

Example

153 is in the sequence as A188169(153) = 4 via the divisors 1, 9, 17 and 153 and no positive integer < 153 has at least four such (1 (mod 8)) divisors.

Crossrefs

Cf. A188169, A343104.

Sequence in context: A158028 A207591 A207924 * A343104 A043180 A207875

Adjacent sequences: A343131 A343132 A343133 * A343135 A343136 A343137

Keyword

nonn

Author

David A. Corneth, Apr 06 2021

Status

approved