The On-Line Encyclopedia of Integer Sequences (OEIS)

A357018 revision #5

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

(list; graph; refs; listen; history; text; internal format)

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

proposed