A357018 Records in the number of consecutive integers not expressible as sums of 2 squares.

0, 1, 2, 4, 5, 6, 7, 8, 10, 14, 18, 19, 20, 23, 24, 27, 28, 30, 33, 34, 35, 36, 47, 48, 49, 52, 55, 59, 60, 62, 63, 65, 67, 70, 71, 73, 79, 80, 81, 86, 87, 104, 106

Offset

1,3

Links

Table of n, a(n) for n=1..43.

Example

  n  A297350(n) a(n)  Terms in A022544
  1     0        0    {}
  2     2        1    {3}
  3     5        2    {6, 7}
  4    20        4    {21, 22, 23, 24}
  5    74        5    {75, 76, 77, 78, 79}
  6    90        6    { 91, ...,  96}
  7   185        7    {186, ..., 192}
  8   377        8    {378, ..., 385}
  9   986       10    {987, ..., 996}

Crossrefs

Cf. A001481, A022544, A104271, A260157, A297350.

Sequence in context: A190237 A190225 A276706 * A271396 A070110 A049095

Adjacent sequences: A357015 A357016 A357017 * A357019 A357020 A357021

Keyword

nonn,more

Author

Hugo Pfoertner, Sep 09 2022

Status

approved